#04192D#04192D

#04192D is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.8% C 0.049 H 249.2°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#04192D
RGB	rgb(4, 25, 45)
HSL	hsl(209, 84%, 10%)
HSV	hsv(209, 91%, 18%)
CMYK	cmyk(91.1%, 44.4%, 0%, 82.4%)
CIE-LAB	lab(8.22, 0.24, -15.92)
CIE-LCH	lch(8.22, 15.92, 270.85°)
OKLab	oklab(20.85% -0.0173 -0.0453)
OKLCH	oklch(20.85% 0.049 249.2)
XYZ	xyz(0.8712, 0.9104, 2.6119)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04192D #2D1804

analogous

#042D2D #04192D #04052D

triadic

#04192D #2D0419 #192D04

tetradic

#04192D #2D042D #2D1804 #052D04

square

#04192D #2D042D #2D1804 #052D04

split-complementary

#04192D #2D0405 #2D2D04

monochromatic

#02101C #02101C #04192D #093865 #0E579D

Accessibility & contrast

On white

17.76

#04192D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#04192D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04192D

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04192D	#FFFFFF	#000000	##FFFFFF
##04192D	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101A2E

Deuteranopia (green-blind)

#09162D

Tritanopia (blue-blind)

#001E20

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #04192d;
/* rgb */ color: rgb(4, 25, 45);
/* oklch */ color: oklch(20.8% 0.049 249.2);

Tailwind

colors: {
  custom: {
    50: '#4a5566',
    500: '#04192d',
    950: '#000000',
  },
}

SCSS

$custom: #04192d;
$custom-light: #4a5566;
$custom-dark: #000000;

JSON

{
  "hex": "#04192d",
  "rgb": {
    "r": 4,
    "g": 25,
    "b": 45
  },
  "hsl": {
    "h": 209.268,
    "s": 83.673,
    "l": 9.608
  },
  "oklch": {
    "l": 0.2085,
    "c": 0.04851,
    "h": 249.2
  },
  "luminance": 0.00911
}

Semantic roles & 50–950 ramp

primary

#04192D

secondary

#70451D

accent

#912EFA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010306

muted

#77787A

Preview Lab

Preview with #04192D

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

Preview Lab → · Contrast checker → · Palette generator →