#283F3E#283F3E

#283F3E is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.8% C 0.029 H 192.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#283F3E
RGB	rgb(40, 63, 62)
HSL	hsl(177, 22%, 20%)
HSV	hsv(177, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 1.6%, 75.3%)
CIE-LAB	lab(24.81, -9.21, -2.26)
CIE-LCH	lch(24.81, 9.48, 193.77°)
OKLab	oklab(34.83% -0.0281 -0.0062)
OKLCH	oklch(34.83% 0.029 192.5)
XYZ	xyz(3.5218, 4.3537, 5.2113)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F3E #3F2829

analogous

#283F32 #283F3E #28343F

triadic

#283F3E #3E283F #3F3E28

tetradic

#283F3E #32283F #3F2829 #343F28

square

#283F3E #32283F #3F2829 #343F28

split-complementary

#283F3E #3F2834 #3F3228

monochromatic

#0C1312 #101A19 #283F3E #406463 #588A88

Accessibility & contrast

On white

11.23

#283F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#283F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F3E

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F3E	#FFFFFF	#000000	##FFFFFF
##283F3E	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3D3E

Deuteranopia (green-blind)

#383A3E

Tritanopia (blue-blind)

#20403F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #283f3e;
/* rgb */ color: rgb(40, 63, 62);
/* oklch */ color: oklch(34.8% 0.029 192.5);

Tailwind

colors: {
  custom: {
    50: '#637473',
    500: '#283f3e',
    950: '#000000',
  },
}

SCSS

$custom: #283f3e;
$custom-light: #637473;
$custom-dark: #000000;

JSON

{
  "hex": "#283f3e",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 177.391,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34834,
    "c": 0.0288,
    "h": 192.5
  },
  "luminance": 0.04354
}

Semantic roles & 50–950 ramp

primary

#283F3E

secondary

#715253

accent

#696DBF

background

#F5F7F6

surface

#EAEDEC

border

#C6C8C7

text

#050808

muted

#797B7B

Preview Lab

Preview with #283F3E

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

Preview Lab → · Contrast checker → · Palette generator →