HSL(237, 54%, 40%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,54%,40%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 54%, 40%) color: hsl(237, 54%, 40%)
HEX #2F349D color: #2F349D
RGB rgb(47, 52, 157) color: rgb(47, 52, 157)
CMYK cmyk(70%, 67%, 0%, 38%) —
HSV hsv(237, 70%, 62%) —
HWB hwb(237 19% 38%) color: hwb(237 19% 38%)
OKLCH oklch(0.3938 0.1668 273.66) color: oklch(0.3938 0.1668 273.66)
Lab lab(28.1 33.38 -57.64) color: lab(28.1 33.38 -57.64)
LCH lch(28.1 66.61 300.08) color: lch(28.1 66.61 300.08)

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 10.01:1
vs Black 2.1:1

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)

#313184 — rgb(49, 49, 132)

Deuteranopia (Green-blind)

#31317E — rgb(49, 49, 126)

Tritanopia (Blue-blind)

#2F706B — rgb(47, 112, 107)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 54%, 40%);

text

color: hsl(237, 54%, 40%);

border

border: 2px solid hsl(237, 54%, 40%);

gradient light

background: linear-gradient(to right, hsl(237, 54%, 60%), hsl(237, 54%, 40%));

gradient dark

background: linear-gradient(to right, hsl(237, 54%, 40%), hsl(237, 54%, 20%))

hex

background-color: #2F349D;

tailwind

bg-[hsl(237,54%,40%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 54%, 40%, 0.4);

css variable

--color-primary: hsl(237, 54%, 40%);

Related Colors

#434789

237,34,40

#1B22B1

237,74,40

#171A4F

237,54,20

#6267D0

237,54,60

#2F509D

222,54,40

#2F479D

227,54,40

#3C2F9D

247,54,40

#452F9D

252,54,40

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(237, 54%, 40%)?

HEX: #2F349D | RGB: rgb(47, 52, 157) | CMYK: 70%, 67%, 0%, 38% | HSV: 237°, 70%, 62%. Copy any format from the conversion table above.

What colors go well with #2F349D?

The complementary color is HSL(57, 54%, 40%). For a triadic harmony, use hues 237°, 357°, and 117°. For analogous combinations, try hues 207° and 267°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(237, 54%, 40%) in CSS?

As HSL: color: hsl(237, 54%, 40%); — As HEX: color: #2F349D; — As RGB: color: rgb(47, 52, 157); — Tailwind CSS: bg-[hsl(237,54%,40%)] — CSS variable: --color-primary: hsl(237, 54%, 40%);