#041F3F#041F3F

#041F3F is a very dark, moderate cyan. Relative luminance 0.014; OKLCH L 24.0% C 0.069 H 254.7°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#041F3F
RGB	rgb(4, 31, 63)
HSL	hsl(213, 88%, 13%)
HSV	hsv(213, 94%, 25%)
CMYK	cmyk(93.7%, 50.8%, 0%, 75.3%)
CIE-LAB	lab(11.72, 4.15, -23.30)
CIE-LCH	lch(11.72, 23.66, 280.11°)
OKLab	oklab(24% -0.0183 -0.0669)
OKLCH	oklch(24% 0.069 254.7)
XYZ	xyz(1.4369, 1.3645, 4.8893)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041F3F #3F2404

analogous

#043C3F #041F3F #06043F

triadic

#041F3F #3F041F #1F3F04

tetradic

#041F3F #3F043C #3F2404 #043F06

square

#041F3F #3F043C #3F2404 #043F06

split-complementary

#041F3F #3F0604 #3C3F04

monochromatic

#020E1D #020E1D #041F3F #083B79 #0B58B2

Accessibility & contrast

On white

16.50

#041F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#041F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041F3F

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041F3F	#FFFFFF	#000000	##FFFFFF
##041F3F	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2240

Deuteranopia (green-blind)

#031C3E

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #041f3f;
/* rgb */ color: rgb(4, 31, 63);
/* oklch */ color: oklch(24.0% 0.069 254.7);

Tailwind

colors: {
  custom: {
    50: '#505a74',
    500: '#041f3f',
    950: '#000000',
  },
}

SCSS

$custom: #041f3f;
$custom-light: #505a74;
$custom-dark: #000000;

JSON

{
  "hex": "#041f3f",
  "rgb": {
    "r": 4,
    "g": 31,
    "b": 63
  },
  "hsl": {
    "h": 212.542,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24,
    "c": 0.06931,
    "h": 254.7
  },
  "luminance": 0.01365
}

Semantic roles & 50–950 ramp

primary

#041F3F

secondary

#80541E

accent

#9D2AFE

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #041F3F

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

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