#04403B#04403B

#04403B is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.057 H 185.9°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#04403B
RGB	rgb(4, 64, 59)
HSL	hsl(175, 88%, 13%)
HSV	hsv(175, 94%, 25%)
CMYK	cmyk(93.8%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(23.70, -19.07, -2.06)
CIE-LCH	lch(23.70, 19.18, 186.16°)
OKLab	oklab(33.52% -0.0565 -0.0059)
OKLCH	oklch(33.52% 0.057 185.9)
XYZ	xyz(2.6725, 4.0080, 4.7696)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04403B #400409

analogous

#04401D #04403B #042740

triadic

#04403B #3B0440 #403B04

tetradic

#04403B #1D0440 #400409 #274004

square

#04403B #1D0440 #400409 #274004

split-complementary

#04403B #400427 #401D04

monochromatic

#021D1B #021D1B #04403B #087A70 #0BB3A5

Accessibility & contrast

On white

11.66

#04403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#04403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04403B

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04403B	#FFFFFF	#000000	##FFFFFF
##04403B	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3B

Deuteranopia (green-blind)

#34363C

Tritanopia (blue-blind)

#00423E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #04403b;
/* rgb */ color: rgb(4, 64, 59);
/* oklch */ color: oklch(33.5% 0.057 185.9);

Tailwind

colors: {
  custom: {
    50: '#527570',
    500: '#04403b',
    950: '#000000',
  },
}

SCSS

$custom: #04403b;
$custom-light: #527570;
$custom-dark: #000000;

JSON

{
  "hex": "#04403b",
  "rgb": {
    "r": 4,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 175,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33524,
    "c": 0.05681,
    "h": 185.9
  },
  "luminance": 0.04008
}

Semantic roles & 50–950 ramp

primary

#04403B

secondary

#811F27

accent

#293BFE

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #04403B

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

Preview Lab → · Contrast checker → · Palette generator →