#04383F#04383F

#04383F is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.3% C 0.052 H 209.0°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#04383F
RGB	rgb(4, 56, 63)
HSL	hsl(187, 88%, 13%)
HSV	hsv(187, 94%, 25%)
CMYK	cmyk(93.7%, 11.1%, 0%, 75.3%)
CIE-LAB	lab(20.88, -13.06, -8.97)
CIE-LCH	lch(20.88, 15.84, 214.48°)
OKLab	oklab(31.28% -0.0451 -0.025)
OKLCH	oklch(31.28% 0.052 209)
XYZ	xyz(2.3610, 3.2127, 5.1973)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04383F #3F0B04

analogous

#043F28 #04383F #041A3F

triadic

#04383F #3F0438 #383F04

tetradic

#04383F #28043F #3F0B04 #1A3F04

square

#04383F #28043F #3F0B04 #1A3F04

split-complementary

#04383F #3F041A #3F2804

monochromatic

#021A1D #021A1D #04383F #086B79 #0B9EB2

Accessibility & contrast

On white

12.78

#04383F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#04383F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04383F

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04383F	#FFFFFF	#000000	##FFFFFF
##04383F	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32353F

Deuteranopia (green-blind)

#2A303F

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #04383f;
/* rgb */ color: rgb(4, 56, 63);
/* oklch */ color: oklch(31.3% 0.052 209.0);

Tailwind

colors: {
  custom: {
    50: '#516e74',
    500: '#04383f',
    950: '#000000',
  },
}

SCSS

$custom: #04383f;
$custom-light: #516e74;
$custom-dark: #000000;

JSON

{
  "hex": "#04383f",
  "rgb": {
    "r": 4,
    "g": 56,
    "b": 63
  },
  "hsl": {
    "h": 187.119,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.31281,
    "c": 0.05161,
    "h": 209
  },
  "luminance": 0.03213
}

Semantic roles & 50–950 ramp

primary

#04383F

secondary

#802A1E

accent

#432AFE

background

#F4F6F7

surface

#E7ECED

border

#C3C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #04383F

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

Preview Lab → · Contrast checker → · Palette generator →