#051837#051837

#051837 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.5% C 0.066 H 259.2°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#051837
RGB	rgb(5, 24, 55)
HSL	hsl(217, 83%, 12%)
HSV	hsv(217, 91%, 22%)
CMYK	cmyk(90.9%, 56.4%, 0%, 78.4%)
CIE-LAB	lab(8.66, 6.05, -22.50)
CIE-LCH	lch(8.66, 23.30, 285.05°)
OKLab	oklab(21.45% -0.0124 -0.0647)
OKLCH	oklch(21.45% 0.066 259.2)
XYZ	xyz(1.0786, 0.9612, 3.7424)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051837 #372405

analogous

#053137 #051837 #0B0537

triadic

#051837 #370518 #183705

tetradic

#051837 #370531 #372405 #05370B

square

#051837 #370531 #372405 #05370B

split-complementary

#051837 #370B05 #313705

monochromatic

#030C1C #030C1C #051837 #0A306F #0F49A7

Accessibility & contrast

On white

17.61

#051837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#051837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051837

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051837	#FFFFFF	#000000	##FFFFFF
##051837	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071B38

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#001F24

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #051837;
/* rgb */ color: rgb(5, 24, 55);
/* oklch */ color: oklch(21.5% 0.066 259.2);

Tailwind

colors: {
  custom: {
    50: '#4e546e',
    500: '#051837',
    950: '#000000',
  },
}

SCSS

$custom: #051837;
$custom-light: #4e546e;
$custom-dark: #000000;

JSON

{
  "hex": "#051837",
  "rgb": {
    "r": 5,
    "g": 24,
    "b": 55
  },
  "hsl": {
    "h": 217.2,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21452,
    "c": 0.06585,
    "h": 259.2
  },
  "luminance": 0.00961
}

Semantic roles & 50–950 ramp

primary

#051837

secondary

#785720

accent

#AC2EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051837

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

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