#04251B#04251B

#04251B is a very dark, muted teal. Relative luminance 0.014; OKLCH L 23.7% C 0.043 H 168.9°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#04251B
RGB	rgb(4, 37, 27)
HSL	hsl(162, 80%, 8%)
HSV	hsv(162, 89%, 15%)
CMYK	cmyk(89.2%, 0%, 27%, 85.5%)
CIE-LAB	lab(12.14, -15.16, 3.23)
CIE-LCH	lch(12.14, 15.50, 167.96°)
OKLab	oklab(23.73% -0.0422 0.0083)
OKLCH	oklch(23.73% 0.043 168.9)
XYZ	xyz(0.9094, 1.4280, 1.2644)
Luminance	0.0143 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04251B #25040E

analogous

#04250A #04251B #041E25

triadic

#04251B #1B0425 #251B04

tetradic

#04251B #0A0425 #25040E #1E2504

square

#04251B #0A0425 #25040E #1E2504

split-complementary

#04251B #25041E #250A04

monochromatic

#031C14 #031C14 #04251B #0A5C43 #10936C

Accessibility & contrast

On white

16.33

#04251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#04251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04251B

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04251B	#FFFFFF	#000000	##FFFFFF
##04251B	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24221A

Deuteranopia (green-blind)

#1F1E1C

Tritanopia (blue-blind)

#002522

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #04251b;
/* rgb */ color: rgb(4, 37, 27);
/* oklch */ color: oklch(23.7% 0.043 168.9);

Tailwind

colors: {
  custom: {
    50: '#496057',
    500: '#04251b',
    950: '#000000',
  },
}

SCSS

$custom: #04251b;
$custom-light: #496057;
$custom-dark: #000000;

JSON

{
  "hex": "#04251b",
  "rgb": {
    "r": 4,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 161.818,
    "s": 80.488,
    "l": 8.039
  },
  "oklch": {
    "l": 0.23725,
    "c": 0.04299,
    "h": 168.9
  },
  "luminance": 0.01428
}

Semantic roles & 50–950 ramp

primary

#04251B

secondary

#681D34

accent

#316DF7

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010403

muted

#777978

Preview Lab

Preview with #04251B

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

Preview Lab → · Contrast checker → · Palette generator →