#151F66#151F66

#151F66 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.5% C 0.124 H 270.0°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#151F66
RGB	rgb(21, 31, 102)
HSL	hsl(233, 66%, 24%)
HSV	hsv(233, 79%, 40%)
CMYK	cmyk(79.4%, 69.6%, 0%, 60%)
CIE-LAB	lab(16.00, 23.48, -42.82)
CIE-LCH	lch(16.00, 48.84, 298.74°)
OKLab	oklab(28.52% 0.0001 -0.1239)
OKLCH	oklch(28.52% 0.124 270)
XYZ	xyz(3.1967, 2.0984, 12.8043)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F66 #665C15

analogous

#154866 #151F66 #341566

triadic

#151F66 #66151F #1F6615

tetradic

#151F66 #661548 #665C15 #156634

square

#151F66 #661548 #665C15 #156634

split-complementary

#151F66 #663415 #486615

monochromatic

#050819 #0B1033 #151F66 #1F2E99 #2A3ECC

Accessibility & contrast

On white

14.79

#151F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#151F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F66

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F66	#FFFFFF	#000000	##FFFFFF
##151F66	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C68

Deuteranopia (green-blind)

#002465

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151f66;
/* rgb */ color: rgb(21, 31, 102);
/* oklch */ color: oklch(28.5% 0.124 270.0);

Tailwind

colors: {
  custom: {
    50: '#615a92',
    500: '#151f66',
    950: '#000000',
  },
}

SCSS

$custom: #151f66;
$custom-light: #615a92;
$custom-dark: #000000;

JSON

{
  "hex": "#151f66",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 232.593,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28522,
    "c": 0.12386,
    "h": 270
  },
  "luminance": 0.02099
}

Semantic roles & 50–950 ramp

primary

#151F66

secondary

#9D913A

accent

#D43FE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #151F66

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

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