#151981#151981

#151981 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.167 H 269.6°. Best body text is #FFFFFF at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#151981
RGB	rgb(21, 25, 129)
HSL	hsl(238, 72%, 29%)
HSV	hsv(238, 84%, 51%)
CMYK	cmyk(83.7%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(17.64, 37.45, -57.54)
CIE-LCH	lch(17.64, 68.65, 303.06°)
OKLab	oklab(30.6% -0.0011 -0.1667)
OKLCH	oklch(30.6% 0.167 269.6)
XYZ	xyz(4.6180, 2.4391, 20.9920)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151981 #817D15

analogous

#154F81 #151981 #471581

triadic

#151981 #811519 #198115

tetradic

#151981 #81154F #817D15 #158147

square

#151981 #81154F #817D15 #158147

split-complementary

#151981 #814715 #4F8115

monochromatic

#04051A #0C0F4C #151981 #1E23B6 #3339DE

Accessibility & contrast

On white

14.11

#151981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#151981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151981

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151981	#FFFFFF	#000000	##FFFFFF
##151981	1.00	14.11	1.49	14.11
#FFFFFF	14.11	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#00267F

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #151981;
/* rgb */ color: rgb(21, 25, 129);
/* oklch */ color: oklch(30.6% 0.167 269.6);

Tailwind

colors: {
  custom: {
    50: '#6958a7',
    500: '#151981',
    950: '#000000',
  },
}

SCSS

$custom: #151981;
$custom-light: #6958a7;
$custom-dark: #000000;

JSON

{
  "hex": "#151981",
  "rgb": {
    "r": 21,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 237.778,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30601,
    "c": 0.16666,
    "h": 269.6
  },
  "luminance": 0.0244
}

Semantic roles & 50–950 ramp

primary

#151981

secondary

#B6B13C

accent

#E839EF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080310

muted

#7A787F

Preview Lab

Preview with #151981

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

Preview Lab → · Contrast checker → · Palette generator →