#183E2D#183E2D

#183E2D is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.053 H 162.0°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#183E2D
RGB	rgb(24, 62, 45)
HSL	hsl(153, 44%, 17%)
HSV	hsv(153, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 27.4%, 75.7%)
CIE-LAB	lab(23.10, -18.40, 6.43)
CIE-LCH	lch(23.10, 19.49, 160.72°)
OKLab	oklab(33.05% -0.0508 0.0165)
OKLCH	oklch(33.05% 0.053 162)
XYZ	xyz(2.5727, 3.8287, 3.0855)
Luminance	0.0383 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E2D #3E1829

analogous

#183E1A #183E2D #183C3E

triadic

#183E2D #2D183E #3E2D18

tetradic

#183E2D #1A183E #3E1829 #3C3E18

square

#183E2D #1A183E #3E1829 #3C3E18

split-complementary

#183E2D #3E183C #3E1A18

monochromatic

#091610 #091610 #183E2D #296A4D #3A966D

Accessibility & contrast

On white

11.89

#183E2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183E2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E2D

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E2D	#FFFFFF	#000000	##FFFFFF
##183E2D	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392C

Deuteranopia (green-blind)

#37352E

Tritanopia (blue-blind)

#0A3E39

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e2d;
/* rgb */ color: rgb(24, 62, 45);
/* oklch */ color: oklch(33.1% 0.053 162.0);

Tailwind

colors: {
  custom: {
    50: '#597365',
    500: '#183e2d',
    950: '#000000',
  },
}

SCSS

$custom: #183e2d;
$custom-light: #597365;
$custom-dark: #000000;

JSON

{
  "hex": "#183e2d",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 45
  },
  "hsl": {
    "h": 153.158,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33054,
    "c": 0.05336,
    "h": 162
  },
  "luminance": 0.03829
}

Semantic roles & 50–950 ramp

primary

#183E2D

secondary

#743D56

accent

#548DD4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030805

muted

#787B7A

Preview Lab

Preview with #183E2D

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

Preview Lab → · Contrast checker → · Palette generator →