HSL(237, 45%, 17%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(237,45%,17%)]

Color Conversions

Format Value CSS Usage
HSL hsl(237, 45%, 17%) color: hsl(237, 45%, 17%)
HEX #181A3F color: #181A3F
RGB rgb(24, 26, 63) color: rgb(24, 26, 63)
CMYK cmyk(62%, 59%, 0%, 75%) —
HSV hsv(237, 62%, 25%) —
HWB hwb(237 10% 75%) color: hwb(237 10% 75%)
OKLCH oklch(0.2393 0.0693 277.47) color: oklch(0.2393 0.0693 277.47)
Lab lab(11.22 11.96 -24.04) color: lab(11.22 11.96 -24.04)
LCH lch(11.22 26.85 296.45) color: lch(11.22 26.85 296.45)

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 16.69:1
vs Black 1.26:1

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)

#191936 — rgb(25, 25, 54)

Deuteranopia (Green-blind)

#191934 — rgb(25, 25, 52)

Tritanopia (Blue-blind)

#182F2D — rgb(24, 47, 45)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(237, 45%, 17%);

text

color: hsl(237, 45%, 17%);

border

border: 2px solid hsl(237, 45%, 17%);

gradient light

background: linear-gradient(to right, hsl(237, 45%, 37%), hsl(237, 45%, 17%));

gradient dark

background: linear-gradient(to right, hsl(237, 45%, 17%), hsl(237, 45%, 0%))

hex

background-color: #181A3F;

tailwind

bg-[hsl(237,45%,17%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(237, 45%, 17%, 0.4);

css variable

--color-primary: hsl(237, 45%, 17%);

Related Colors

#212236

237,25,17

#0F1248

237,65,17

#000000

237,45,0

#343889

237,45,37

#18243F

222,45,17

#18203F

227,45,17

#1C183F

247,45,17

#20183F

252,45,17

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, 45%, 17%)?

HEX: #181A3F | RGB: rgb(24, 26, 63) | CMYK: 62%, 59%, 0%, 75% | HSV: 237°, 62%, 25%. Copy any format from the conversion table above.

What colors go well with #181A3F?

The complementary color is HSL(57, 45%, 17%). 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, 45%, 17%) in CSS?

As HSL: color: hsl(237, 45%, 17%); — As HEX: color: #181A3F; — As RGB: color: rgb(24, 26, 63); — Tailwind CSS: bg-[hsl(237,45%,17%)] — CSS variable: --color-primary: hsl(237, 45%, 17%);