#151D38#151D38

#151D38 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.9% C 0.053 H 269.6°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#151D38
RGB	rgb(21, 29, 56)
HSL	hsl(226, 45%, 15%)
HSV	hsv(226, 63%, 22%)
CMYK	cmyk(62.5%, 48.2%, 0%, 78%)
CIE-LAB	lab(11.44, 6.08, -18.72)
CIE-LCH	lch(11.44, 19.69, 287.99°)
OKLab	oklab(23.87% -0.0004 -0.0531)
OKLCH	oklch(23.87% 0.053 269.6)
XYZ	xyz(1.4622, 1.3236, 3.9190)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D38 #383015

analogous

#152E38 #151D38 #1F1538

triadic

#151D38 #38151D #1D3815

tetradic

#151D38 #38152E #383015 #15381F

square

#151D38 #38152E #383015 #15381F

split-complementary

#151D38 #381F15 #2E3815

monochromatic

#080C16 #080C16 #151D38 #263465 #364B91

Accessibility & contrast

On white

16.60

#151D38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#151D38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D38

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D38	#FFFFFF	#000000	##FFFFFF
##151D38	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122039

Deuteranopia (green-blind)

#0E1D37

Tritanopia (blue-blind)

#052327

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #151d38;
/* rgb */ color: rgb(21, 29, 56);
/* oklch */ color: oklch(23.9% 0.053 269.6);

Tailwind

colors: {
  custom: {
    50: '#55586f',
    500: '#151d38',
    950: '#000000',
  },
}

SCSS

$custom: #151d38;
$custom-light: #55586f;
$custom-dark: #000000;

JSON

{
  "hex": "#151d38",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 56
  },
  "hsl": {
    "h": 226.286,
    "s": 45.455,
    "l": 15.098
  },
  "oklch": {
    "l": 0.23872,
    "c": 0.05312,
    "h": 269.6
  },
  "luminance": 0.01324
}

Semantic roles & 50–950 ramp

primary

#151D38

secondary

#6F633A

accent

#B753D5

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #151D38

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

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