#151F59#151F59

#151F59 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.2% C 0.105 H 270.3°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#151F59
RGB	rgb(21, 31, 89)
HSL	hsl(231, 62%, 22%)
HSV	hsv(231, 76%, 35%)
CMYK	cmyk(76.4%, 65.2%, 0%, 65.1%)
CIE-LAB	lab(14.74, 18.20, -36.24)
CIE-LCH	lch(14.74, 40.56, 296.67°)
OKLab	oklab(27.21% 0.0006 -0.1046)
OKLCH	oklch(27.21% 0.105 270.3)
XYZ	xyz(2.6018, 1.8604, 9.6712)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F59 #594F15

analogous

#154159 #151F59 #2D1559

triadic

#151F59 #59151F #1F5915

tetradic

#151F59 #591541 #594F15 #15592D

square

#151F59 #591541 #594F15 #15592D

split-complementary

#151F59 #592D15 #415915

monochromatic

#060919 #090E27 #151F59 #21308B #2C41BC

Accessibility & contrast

On white

15.30

#151F59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#151F59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F59

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F59	#FFFFFF	#000000	##FFFFFF
##151F59	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285B

Deuteranopia (green-blind)

#002258

Tritanopia (blue-blind)

#002E38

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151f59;
/* rgb */ color: rgb(21, 31, 89);
/* oklch */ color: oklch(27.2% 0.105 270.3);

Tailwind

colors: {
  custom: {
    50: '#5d5a88',
    500: '#151f59',
    950: '#000000',
  },
}

SCSS

$custom: #151f59;
$custom-light: #5d5a88;
$custom-dark: #000000;

JSON

{
  "hex": "#151f59",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 89
  },
  "hsl": {
    "h": 231.176,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27208,
    "c": 0.10457,
    "h": 270.3
  },
  "luminance": 0.01861
}

Semantic roles & 50–950 ramp

primary

#151F59

secondary

#918439

accent

#CD43E5

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #151F59

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

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