#151F56#151F56

#151F56 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.100 H 270.4°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#151F56
RGB	rgb(21, 31, 86)
HSL	hsl(231, 61%, 21%)
HSV	hsv(231, 76%, 34%)
CMYK	cmyk(75.6%, 64%, 0%, 66.3%)
CIE-LAB	lab(14.46, 16.96, -34.67)
CIE-LCH	lch(14.46, 38.60, 296.07°)
OKLab	oklab(26.92% 0.0006 -0.0999)
OKLCH	oklch(26.92% 0.1 270.4)
XYZ	xyz(2.4784, 1.8110, 9.0212)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F56 #564C15

analogous

#153F56 #151F56 #2B1556

triadic

#151F56 #56151F #1F5615

tetradic

#151F56 #56153F #564C15 #15562B

square

#151F56 #56153F #564C15 #15562B

split-complementary

#151F56 #562B15 #3F5615

monochromatic

#060919 #090D25 #151F56 #213187 #2D42B8

Accessibility & contrast

On white

15.42

#151F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#151F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F56

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F56	#FFFFFF	#000000	##FFFFFF
##151F56	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002858

Deuteranopia (green-blind)

#002255

Tritanopia (blue-blind)

#002D37

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151f56;
/* rgb */ color: rgb(21, 31, 86);
/* oklch */ color: oklch(26.9% 0.100 270.4);

Tailwind

colors: {
  custom: {
    50: '#5d5a86',
    500: '#151f56',
    950: '#000000',
  },
}

SCSS

$custom: #151f56;
$custom-light: #5d5a86;
$custom-dark: #000000;

JSON

{
  "hex": "#151f56",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 86
  },
  "hsl": {
    "h": 230.769,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26918,
    "c": 0.09995,
    "h": 270.4
  },
  "luminance": 0.01811
}

Semantic roles & 50–950 ramp

primary

#151F56

secondary

#8E8139

accent

#CB44E4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #151F56

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

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