#151B42#151B42

#151B42 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.074 H 273.1°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#151B42
RGB	rgb(21, 27, 66)
HSL	hsl(232, 52%, 17%)
HSV	hsv(232, 68%, 26%)
CMYK	cmyk(68.2%, 59.1%, 0%, 74.1%)
CIE-LAB	lab(11.53, 11.70, -25.66)
CIE-LCH	lch(11.53, 28.20, 294.50°)
OKLab	oklab(24.18% 0.0039 -0.0735)
OKLCH	oklch(24.18% 0.074 273.1)
XYZ	xyz(1.6842, 1.3365, 5.3224)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B42 #423C15

analogous

#153242 #151B42 #261542

triadic

#151B42 #42151B #1B4215

tetradic

#151B42 #421532 #423C15 #154226

square

#151B42 #421532 #423C15 #154226

split-complementary

#151B42 #422615 #324215

monochromatic

#070917 #070917 #151B42 #242E70 #33419F

Accessibility & contrast

On white

16.57

#151B42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#151B42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B42

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B42	#FFFFFF	#000000	##FFFFFF
##151B42	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052143

Deuteranopia (green-blind)

#001D41

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151b42;
/* rgb */ color: rgb(21, 27, 66);
/* oklch */ color: oklch(24.2% 0.074 273.1);

Tailwind

colors: {
  custom: {
    50: '#585777',
    500: '#151b42',
    950: '#000000',
  },
}

SCSS

$custom: #151b42;
$custom-light: #585777;
$custom-dark: #000000;

JSON

{
  "hex": "#151b42",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 66
  },
  "hsl": {
    "h": 232,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.2418,
    "c": 0.07363,
    "h": 273.1
  },
  "luminance": 0.01337
}

Semantic roles & 50–950 ramp

primary

#151B42

secondary

#7A7139

accent

#C84DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151B42

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

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