HSL(251, 59%, 15%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(251,59%,15%)]

Color Conversions

Format Value CSS Usage
HSL hsl(251, 59%, 15%) color: hsl(251, 59%, 15%)
HEX #18103D color: #18103D
RGB rgb(24, 16, 61) color: rgb(24, 16, 61)
CMYK cmyk(61%, 74%, 0%, 76%)
HSV hsv(251, 74%, 24%)
HWB hwb(251 6% 76%) color: hwb(251 6% 76%)
OKLCH oklch(0.216 0.0821 285.38) color: oklch(0.216 0.0821 285.38)
Lab lab(8.14 18.62 -27.59) color: lab(8.14 18.62 -27.59)
LCH lch(8.14 33.29 304.01) color: lch(8.14 33.29 304.01)

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 17.79:1
vs Black 1.18:1

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)

#151432 — rgb(21, 20, 50)

Deuteranopia (Green-blind)

#151630 — rgb(21, 22, 48)

Tritanopia (Blue-blind)

#182A28 — rgb(24, 42, 40)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(251, 59%, 15%);

text

color: hsl(251, 59%, 15%);

border

border: 2px solid hsl(251, 59%, 15%);

gradient light

background: linear-gradient(to right, hsl(251, 59%, 35%), hsl(251, 59%, 15%));

gradient dark

background: linear-gradient(to right, hsl(251, 59%, 15%), hsl(251, 59%, 0%))

hex

background-color: #18103D;

tailwind

bg-[hsl(251,59%,15%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(251, 59%, 15%, 0.4);

css variable

--color-primary: hsl(251, 59%, 15%);

Related Colors

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(251, 59%, 15%)?

HEX: #18103D | RGB: rgb(24, 16, 61) | CMYK: 61%, 74%, 0%, 76% | HSV: 251°, 74%, 24%. Copy any format from the conversion table above.

What colors go well with #18103D?

The complementary color is HSL(71, 59%, 15%). For a triadic harmony, use hues 251°, 11°, and 131°. For analogous combinations, try hues 221° and 281°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(251, 59%, 15%) in CSS?

As HSL: color: hsl(251, 59%, 15%); — As HEX: color: #18103D; — As RGB: color: rgb(24, 16, 61); — Tailwind CSS: bg-[hsl(251,59%,15%)] — CSS variable: --color-primary: hsl(251, 59%, 15%);