#041F3A#041F3A

#041F3A is a very dark, moderate cyan. Relative luminance 0.013; OKLCH L 23.6% C 0.061 H 251.4°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#041F3A
RGB	rgb(4, 31, 58)
HSL	hsl(210, 87%, 12%)
HSV	hsv(210, 93%, 23%)
CMYK	cmyk(93.1%, 46.6%, 0%, 77.3%)
CIE-LAB	lab(11.35, 1.78, -20.34)
CIE-LCH	lch(11.35, 20.42, 275.00°)
OKLab	oklab(23.6% -0.0196 -0.0582)
OKLCH	oklch(23.6% 0.061 251.4)
XYZ	xyz(1.3035, 1.3111, 4.1865)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041F3A #3A1F04

analogous

#043A3A #041F3A #04043A

triadic

#041F3A #3A041F #1F3A04

tetradic

#041F3A #3A043A #3A1F04 #043A04

square

#041F3A #3A043A #3A1F04 #043A04

split-complementary

#041F3A #3A0404 #3A3A04

monochromatic

#020F1D #020F1D #041F3A #083E73 #0C5CAD

Accessibility & contrast

On white

16.64

#041F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#041F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041F3A

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041F3A	#FFFFFF	#000000	##FFFFFF
##041F3A	1.00	16.64	1.26	16.64
#FFFFFF	16.64	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12213B

Deuteranopia (green-blind)

#091C39

Tritanopia (blue-blind)

#002529

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #041f3a;
/* rgb */ color: rgb(4, 31, 58);
/* oklch */ color: oklch(23.6% 0.061 251.4);

Tailwind

colors: {
  custom: {
    50: '#4e5a70',
    500: '#041f3a',
    950: '#000000',
  },
}

SCSS

$custom: #041f3a;
$custom-light: #4e5a70;
$custom-dark: #000000;

JSON

{
  "hex": "#041f3a",
  "rgb": {
    "r": 4,
    "g": 31,
    "b": 58
  },
  "hsl": {
    "h": 210,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23596,
    "c": 0.0614,
    "h": 251.4
  },
  "luminance": 0.01311
}

Semantic roles & 50–950 ramp

primary

#041F3A

secondary

#7C4D1E

accent

#942BFD

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #041F3A

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

Preview Lab → · Contrast checker → · Palette generator →