#04252E#04252E

#04252E is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.041 H 219.9°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#04252E
RGB	rgb(4, 37, 46)
HSL	hsl(193, 84%, 10%)
HSV	hsv(193, 91%, 18%)
CMYK	cmyk(91.3%, 19.6%, 0%, 82%)
CIE-LAB	lab(12.90, -7.99, -9.34)
CIE-LCH	lch(12.90, 12.29, 229.48°)
OKLab	oklab(24.59% -0.0313 -0.0261)
OKLCH	oklch(24.59% 0.041 219.9)
XYZ	xyz(1.2046, 1.5461, 2.8192)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04252E #2E0D04

analogous

#042E22 #04252E #04102E

triadic

#04252E #2E0425 #252E04

tetradic

#04252E #22042E #2E0D04 #102E04

square

#04252E #22042E #2E0D04 #102E04

split-complementary

#04252E #2E0410 #2E2204

monochromatic

#02171C #02171C #04252E #095266 #0E809F

Accessibility & contrast

On white

16.04

#04252E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#04252E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04252E

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04252E	#FFFFFF	#000000	##FFFFFF
##04252E	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F242E

Deuteranopia (green-blind)

#1A202E

Tritanopia (blue-blind)

#002828

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #04252e;
/* rgb */ color: rgb(4, 37, 46);
/* oklch */ color: oklch(24.6% 0.041 219.9);

Tailwind

colors: {
  custom: {
    50: '#4b5f66',
    500: '#04252e',
    950: '#000000',
  },
}

SCSS

$custom: #04252e;
$custom-light: #4b5f66;
$custom-dark: #000000;

JSON

{
  "hex": "#04252e",
  "rgb": {
    "r": 4,
    "g": 37,
    "b": 46
  },
  "hsl": {
    "h": 192.857,
    "s": 84,
    "l": 9.804
  },
  "oklch": {
    "l": 0.24588,
    "c": 0.04075,
    "h": 219.9
  },
  "luminance": 0.01546
}

Semantic roles & 50–950 ramp

primary

#04252E

secondary

#712F1D

accent

#592EFA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #04252E

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

Preview Lab → · Contrast checker → · Palette generator →