#151C41#151C41

#151C41 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.070 H 272.1°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#151C41
RGB	rgb(21, 28, 65)
HSL	hsl(230, 51%, 17%)
HSV	hsv(230, 68%, 25%)
CMYK	cmyk(67.7%, 56.9%, 0%, 74.5%)
CIE-LAB	lab(11.77, 10.52, -24.58)
CIE-LCH	lch(11.77, 26.73, 293.17°)
OKLab	oklab(24.33% 0.0026 -0.0703)
OKLCH	oklch(24.33% 0.07 272.1)
XYZ	xyz(1.6783, 1.3715, 5.1763)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C41 #413A15

analogous

#153241 #151C41 #241541

triadic

#151C41 #41151C #1C4115

tetradic

#151C41 #411532 #413A15 #154124

square

#151C41 #411532 #413A15 #154124

split-complementary

#151C41 #412415 #324115

monochromatic

#070A17 #070A17 #151C41 #24306F #33449E

Accessibility & contrast

On white

16.48

#151C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#151C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C41

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C41	#FFFFFF	#000000	##FFFFFF
##151C41	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082142

Deuteranopia (green-blind)

#021D40

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151c41;
/* rgb */ color: rgb(21, 28, 65);
/* oklch */ color: oklch(24.3% 0.070 272.1);

Tailwind

colors: {
  custom: {
    50: '#575776',
    500: '#151c41',
    950: '#000000',
  },
}

SCSS

$custom: #151c41;
$custom-light: #575776;
$custom-dark: #000000;

JSON

{
  "hex": "#151c41",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 65
  },
  "hsl": {
    "h": 230.455,
    "s": 51.163,
    "l": 16.863
  },
  "oklch": {
    "l": 0.24334,
    "c": 0.07037,
    "h": 272.1
  },
  "luminance": 0.01372
}

Semantic roles & 50–950 ramp

primary

#151C41

secondary

#796F39

accent

#C44DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151C41

Body copy rendered with the generated semantic roles for this colour.

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