HSL(231, 65%, 45%)

Blue — Blue color

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Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(231,65%,45%)]

Color Conversions

Format Value CSS Usage
HSL hsl(231, 65%, 45%) color: hsl(231, 65%, 45%)
HEX #283FBD color: #283FBD
RGB rgb(40, 63, 189) color: rgb(40, 63, 189)
CMYK cmyk(79%, 67%, 0%, 26%) —
HSV hsv(231, 79%, 74%) —
HWB hwb(231 16% 26%) color: hwb(231 16% 26%)
OKLCH oklch(0.4398 0.1977 268.34) color: oklch(0.4398 0.1977 268.34)
Lab lab(33.3 37.15 -68.25) color: lab(33.3 37.15 -68.25)
LCH lch(33.3 77.71 298.56) color: lch(33.3 77.71 298.56)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 8.28:1
vs Black 2.54:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#32329F — rgb(50, 50, 159)

Deuteranopia (Green-blind)

#312F97 — rgb(49, 47, 151)

Tritanopia (Blue-blind)

#298681 — rgb(41, 134, 129)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(231, 65%, 45%);

text

color: hsl(231, 65%, 45%);

border

border: 2px solid hsl(231, 65%, 45%);

gradient light

background: linear-gradient(to right, hsl(231, 65%, 65%), hsl(231, 65%, 45%));

gradient dark

background: linear-gradient(to right, hsl(231, 65%, 45%), hsl(231, 65%, 25%))

hex

background-color: #283FBD;

tailwind

bg-[hsl(231,65%,45%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(231, 65%, 45%, 0.4);

css variable

--color-primary: hsl(231, 65%, 45%);

Related Colors

#3F4FA6

231,45,45

#112ED4

231,85,45

#162369

231,65,25

#6C7DE0

231,65,65

#2864BD

216,65,45

#2857BD

221,65,45

#2B28BD

241,65,45

#3728BD

246,65,45

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(231, 65%, 45%)?

HEX: #283FBD | RGB: rgb(40, 63, 189) | CMYK: 79%, 67%, 0%, 26% | HSV: 231°, 79%, 74%. Copy any format from the conversion table above.

What colors go well with #283FBD?

The complementary color is HSL(51, 65%, 45%). For a triadic harmony, use hues 231°, 351°, and 111°. For analogous combinations, try hues 201° and 261°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(231, 65%, 45%) in CSS?

As HSL: color: hsl(231, 65%, 45%); — As HEX: color: #283FBD; — As RGB: color: rgb(40, 63, 189); — Tailwind CSS: bg-[hsl(231,65%,45%)] — CSS variable: --color-primary: hsl(231, 65%, 45%);