#041837#041837

#041837 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.4% C 0.066 H 258.2°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#041837
RGB	rgb(4, 24, 55)
HSL	hsl(216, 86%, 12%)
HSV	hsv(216, 93%, 22%)
CMYK	cmyk(92.7%, 56.4%, 0%, 78.4%)
CIE-LAB	lab(8.61, 5.85, -22.59)
CIE-LCH	lch(8.61, 23.34, 284.51°)
OKLab	oklab(21.39% -0.0135 -0.065)
OKLCH	oklch(21.39% 0.066 258.2)
XYZ	xyz(1.0660, 0.9548, 3.7418)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041837 #372304

analogous

#043237 #041837 #0A0437

triadic

#041837 #370418 #183704

tetradic

#041837 #370432 #372304 #04370A

square

#041837 #370432 #372304 #04370A

split-complementary

#041837 #370A04 #323704

monochromatic

#020C1D #020C1D #041837 #083170 #0C4AA9

Accessibility & contrast

On white

17.63

#041837 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#041837 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041837

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041837	#FFFFFF	#000000	##FFFFFF
##041837	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061B38

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#001F24

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #041837;
/* rgb */ color: rgb(4, 24, 55);
/* oklch */ color: oklch(21.4% 0.066 258.2);

Tailwind

colors: {
  custom: {
    50: '#4d546e',
    500: '#041837',
    950: '#000000',
  },
}

SCSS

$custom: #041837;
$custom-light: #4d546e;
$custom-dark: #000000;

JSON

{
  "hex": "#041837",
  "rgb": {
    "r": 4,
    "g": 24,
    "b": 55
  },
  "hsl": {
    "h": 216.471,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21394,
    "c": 0.06637,
    "h": 258.2
  },
  "luminance": 0.00955
}

Semantic roles & 50–950 ramp

primary

#041837

secondary

#79551E

accent

#AA2BFD

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #041837

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

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