#151D56#151D56

#151D56 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.103 H 271.3°. Best body text is #FFFFFF at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#151D56
RGB	rgb(21, 29, 86)
HSL	hsl(233, 61%, 21%)
HSV	hsv(233, 76%, 34%)
CMYK	cmyk(75.6%, 66.3%, 0%, 66.3%)
CIE-LAB	lab(13.88, 18.44, -35.61)
CIE-LCH	lch(13.88, 40.10, 297.38°)
OKLab	oklab(26.49% 0.0024 -0.1027)
OKLCH	oklch(26.49% 0.103 271.3)
XYZ	xyz(2.4278, 1.7098, 9.0044)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D56 #564E15

analogous

#153D56 #151D56 #2D1556

triadic

#151D56 #56151D #1D5615

tetradic

#151D56 #56153D #564E15 #15562D

square

#151D56 #56153D #564E15 #15562D

split-complementary

#151D56 #562D15 #3D5615

monochromatic

#060819 #090C25 #151D56 #212E87 #2D3EB8

Accessibility & contrast

On white

15.65

#151D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#151D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D56

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D56	#FFFFFF	#000000	##FFFFFF
##151D56	1.00	15.65	1.34	15.65
#FFFFFF	15.65	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#002055

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151d56;
/* rgb */ color: rgb(21, 29, 86);
/* oklch */ color: oklch(26.5% 0.103 271.3);

Tailwind

colors: {
  custom: {
    50: '#5d5886',
    500: '#151d56',
    950: '#000000',
  },
}

SCSS

$custom: #151d56;
$custom-light: #5d5886;
$custom-dark: #000000;

JSON

{
  "hex": "#151d56",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 86
  },
  "hsl": {
    "h": 232.615,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26489,
    "c": 0.10278,
    "h": 271.3
  },
  "luminance": 0.0171
}

Semantic roles & 50–950 ramp

primary

#151D56

secondary

#8E8339

accent

#D044E4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #151D56

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

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