#151C66#151C66

#151C66 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.0% C 0.128 H 270.9°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#151C66
RGB	rgb(21, 28, 102)
HSL	hsl(235, 66%, 24%)
HSV	hsv(235, 79%, 40%)
CMYK	cmyk(79.4%, 72.5%, 0%, 60%)
CIE-LAB	lab(15.22, 25.57, -44.10)
CIE-LCH	lch(15.22, 50.98, 300.11°)
OKLab	oklab(27.96% 0.002 -0.1276)
OKLCH	oklch(27.96% 0.128 270.9)
XYZ	xyz(3.1220, 1.9489, 12.7794)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C66 #665F15

analogous

#154566 #151C66 #371566

triadic

#151C66 #66151C #1C6615

tetradic

#151C66 #661545 #665F15 #156637

square

#151C66 #661545 #665F15 #156637

split-complementary

#151C66 #663715 #456615

monochromatic

#050719 #0B0E33 #151C66 #1F2A99 #2A38CC

Accessibility & contrast

On white

15.11

#151C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C66

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C66	#FFFFFF	#000000	##FFFFFF
##151C66	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002265

Tritanopia (blue-blind)

#00303E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151c66;
/* rgb */ color: rgb(21, 28, 102);
/* oklch */ color: oklch(28.0% 0.128 270.9);

Tailwind

colors: {
  custom: {
    50: '#615892',
    500: '#151c66',
    950: '#000000',
  },
}

SCSS

$custom: #151c66;
$custom-light: #615892;
$custom-dark: #000000;

JSON

{
  "hex": "#151c66",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 102
  },
  "hsl": {
    "h": 234.815,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.27956,
    "c": 0.12763,
    "h": 270.9
  },
  "luminance": 0.01949
}

Semantic roles & 50–950 ramp

primary

#151C66

secondary

#9D943A

accent

#DA3FE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151C66

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

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