#183F2E#183F2E

#183F2E is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.054 H 162.6°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#183F2E
RGB	rgb(24, 63, 46)
HSL	hsl(154, 45%, 17%)
HSV	hsv(154, 62%, 25%)
CMYK	cmyk(61.9%, 0%, 27%, 75.3%)
CIE-LAB	lab(23.49, -18.67, 6.33)
CIE-LCH	lch(23.49, 19.71, 161.27°)
OKLab	oklab(33.39% -0.0516 0.0162)
OKLCH	oklch(33.39% 0.054 162.6)
XYZ	xyz(2.6471, 3.9462, 3.2064)
Luminance	0.0395 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F2E #3F1829

analogous

#183F1B #183F2E #183D3F

triadic

#183F2E #2E183F #3F2E18

tetradic

#183F2E #1B183F #3F1829 #3D3F18

square

#183F2E #1B183F #3F1829 #3D3F18

split-complementary

#183F2E #3F183D #3F1B18

monochromatic

#081610 #081610 #183F2E #296B4E #3A986F

Accessibility & contrast

On white

11.74

#183F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F2E

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F2E	#FFFFFF	#000000	##FFFFFF
##183F2E	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A2D

Deuteranopia (green-blind)

#38362F

Tritanopia (blue-blind)

#093F3A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183f2e;
/* rgb */ color: rgb(24, 63, 46);
/* oklch */ color: oklch(33.4% 0.054 162.6);

Tailwind

colors: {
  custom: {
    50: '#597466',
    500: '#183f2e',
    950: '#000000',
  },
}

SCSS

$custom: #183f2e;
$custom-light: #597466;
$custom-dark: #000000;

JSON

{
  "hex": "#183f2e",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 153.846,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33386,
    "c": 0.05405,
    "h": 162.6
  },
  "luminance": 0.03946
}

Semantic roles & 50–950 ramp

primary

#183F2E

secondary

#753D56

accent

#538CD5

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183F2E

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

Preview Lab → · Contrast checker → · Palette generator →