#04273F#04273F

#04273F is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.3% C 0.059 H 243.7°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#04273F
RGB	rgb(4, 39, 63)
HSL	hsl(204, 88%, 13%)
HSV	hsv(204, 94%, 25%)
CMYK	cmyk(93.7%, 38.1%, 0%, 75.3%)
CIE-LAB	lab(14.60, -1.84, -18.71)
CIE-LCH	lch(14.60, 18.80, 264.37°)
OKLab	oklab(26.26% -0.0263 -0.0532)
OKLCH	oklch(26.26% 0.059 243.7)
XYZ	xyz(1.6724, 1.8355, 4.9678)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04273F #3F1C04

analogous

#043F39 #04273F #04093F

triadic

#04273F #3F0427 #273F04

tetradic

#04273F #39043F #3F1C04 #093F04

square

#04273F #39043F #3F1C04 #093F04

split-complementary

#04273F #3F0409 #3F3904

monochromatic

#02121D #02121D #04273F #084B79 #0B6EB2

Accessibility & contrast

On white

15.36

#04273F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#04273F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04273F

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04273F	#FFFFFF	#000000	##FFFFFF
##04273F	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2840

Deuteranopia (green-blind)

#13223F

Tritanopia (blue-blind)

#002D30

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #04273f;
/* rgb */ color: rgb(4, 39, 63);
/* oklch */ color: oklch(26.3% 0.059 243.7);

Tailwind

colors: {
  custom: {
    50: '#506074',
    500: '#04273f',
    950: '#000000',
  },
}

SCSS

$custom: #04273f;
$custom-light: #506074;
$custom-dark: #000000;

JSON

{
  "hex": "#04273f",
  "rgb": {
    "r": 4,
    "g": 39,
    "b": 63
  },
  "hsl": {
    "h": 204.407,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.26256,
    "c": 0.05934,
    "h": 243.7
  },
  "luminance": 0.01836
}

Semantic roles & 50–950 ramp

primary

#04273F

secondary

#80461E

accent

#802AFE

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020508

muted

#78797B

Preview Lab

Preview with #04273F

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

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