#151E81#151E81

#151E81 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.162 H 269.1°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#151E81
RGB	rgb(21, 30, 129)
HSL	hsl(235, 72%, 29%)
HSV	hsv(235, 84%, 51%)
CMYK	cmyk(83.7%, 76.7%, 0%, 49.4%)
CIE-LAB	lab(18.68, 34.48, -55.82)
CIE-LCH	lch(18.68, 65.61, 301.71°)
OKLab	oklab(31.34% -0.0027 -0.1617)
OKLCH	oklch(31.34% 0.162 269.1)
XYZ	xyz(4.7346, 2.6724, 21.0309)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E81 #817815

analogous

#155481 #151E81 #421581

triadic

#151E81 #81151E #1E8115

tetradic

#151E81 #811554 #817815 #158142

square

#151E81 #811554 #817815 #158142

split-complementary

#151E81 #814215 #548115

monochromatic

#04061A #0C124C #151E81 #1E2AB6 #3341DE

Accessibility & contrast

On white

13.68

#151E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#151E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E81

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E81	#FFFFFF	#000000	##FFFFFF
##151E81	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#00287F

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #151e81;
/* rgb */ color: rgb(21, 30, 129);
/* oklch */ color: oklch(31.3% 0.162 269.1);

Tailwind

colors: {
  custom: {
    50: '#695ba7',
    500: '#151e81',
    950: '#000000',
  },
}

SCSS

$custom: #151e81;
$custom-light: #695ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#151e81",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 129
  },
  "hsl": {
    "h": 235,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31336,
    "c": 0.16174,
    "h": 269.1
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary

#151E81

secondary

#B6AC3C

accent

#E039EF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080410

muted

#7A797F

Preview Lab

Preview with #151E81

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

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