HSL(251, 40%, 15%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(251,40%,15%)]

Color Conversions

Format Value CSS Usage
HSL hsl(251, 40%, 15%) color: hsl(251, 40%, 15%)
HEX #1D1736 color: #1D1736
RGB rgb(29, 23, 54) color: rgb(29, 23, 54)
CMYK cmyk(46%, 57%, 0%, 79%) —
HSV hsv(252, 57%, 21%) —
HWB hwb(252 9% 79%) color: hwb(252 9% 79%)
OKLCH oklch(0.23 0.0583 289.94) color: oklch(0.23 0.0583 289.94)
Lab lab(10.11 12.28 -19.36) color: lab(10.11 12.28 -19.36)
LCH lch(10.11 22.93 302.39) color: lch(10.11 22.93 302.39)

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 17.1:1
vs Black 1.23:1

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)

#1A1A2E — rgb(26, 26, 46)

Deuteranopia (Green-blind)

#1B1B2D — rgb(27, 27, 45)

Tritanopia (Blue-blind)

#1D2927 — rgb(29, 41, 39)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(251, 40%, 15%);

text

color: hsl(251, 40%, 15%);

border

border: 2px solid hsl(251, 40%, 15%);

gradient light

background: linear-gradient(to right, hsl(251, 40%, 35%), hsl(251, 40%, 15%));

gradient dark

background: linear-gradient(to right, hsl(251, 40%, 15%), hsl(251, 40%, 0%))

hex

background-color: #1D1736;

tailwind

bg-[hsl(251,40%,15%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(251, 40%, 15%, 0.4);

css variable

--color-primary: hsl(251, 40%, 15%);

Related Colors

#211F2E

251,20,15

#180F3D

251,60,15

#000000

251,40,0

#43367D

251,40,35

#171936

236,40,15

#171736

241,40,15

#221736

261,40,15

#241736

266,40,15

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, 40%, 15%)?

HEX: #1D1736 | RGB: rgb(29, 23, 54) | CMYK: 46%, 57%, 0%, 79% | HSV: 252°, 57%, 21%. Copy any format from the conversion table above.

What colors go well with #1D1736?

The complementary color is HSL(71, 40%, 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, 40%, 15%) in CSS?

As HSL: color: hsl(251, 40%, 15%); — As HEX: color: #1D1736; — As RGB: color: rgb(29, 23, 54); — Tailwind CSS: bg-[hsl(251,40%,15%)] — CSS variable: --color-primary: hsl(251, 40%, 15%);