#04192E#04192E

#04192E is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.9% C 0.050 H 250.3°. Best body text is #FFFFFF at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#04192E
RGB	rgb(4, 25, 46)
HSL	hsl(210, 84%, 10%)
HSV	hsv(210, 91%, 18%)
CMYK	cmyk(91.3%, 45.7%, 0%, 82%)
CIE-LAB	lab(8.29, 0.71, -16.55)
CIE-LCH	lch(8.29, 16.56, 272.47°)
OKLab	oklab(20.93% -0.0169 -0.0472)
OKLCH	oklch(20.93% 0.05 250.3)
XYZ	xyz(0.8907, 0.9182, 2.7145)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04192E #2E1904

analogous

#042E2E #04192E #04042E

triadic

#04192E #2E0419 #192E04

tetradic

#04192E #2E042E #2E1904 #042E04

square

#04192E #2E042E #2E1904 #042E04

split-complementary

#04192E #2E0404 #2E2E04

monochromatic

#020F1C #020F1C #04192E #093866 #0E569F

Accessibility & contrast

On white

17.74

#04192E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#04192E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04192E

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04192E	#FFFFFF	#000000	##FFFFFF
##04192E	1.00	17.74	1.18	17.74
#FFFFFF	17.74	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1A2F

Deuteranopia (green-blind)

#09162E

Tritanopia (blue-blind)

#001E21

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #04192e;
/* rgb */ color: rgb(4, 25, 46);
/* oklch */ color: oklch(20.9% 0.050 250.3);

Tailwind

colors: {
  custom: {
    50: '#4b5567',
    500: '#04192e',
    950: '#000000',
  },
}

SCSS

$custom: #04192e;
$custom-light: #4b5567;
$custom-dark: #000000;

JSON

{
  "hex": "#04192e",
  "rgb": {
    "r": 4,
    "g": 25,
    "b": 46
  },
  "hsl": {
    "h": 210,
    "s": 84,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20926,
    "c": 0.05011,
    "h": 250.3
  },
  "luminance": 0.00918
}

Semantic roles & 50–950 ramp

primary

#04192E

secondary

#71471D

accent

#942EFA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #04192E

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

Preview Lab → · Contrast checker → · Palette generator →