#183E33#183E33

#183E33 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.048 H 171.8°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#183E33
RGB	rgb(24, 62, 51)
HSL	hsl(163, 44%, 17%)
HSV	hsv(163, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 17.7%, 75.7%)
CIE-LAB	lab(23.26, -16.75, 2.70)
CIE-LCH	lch(23.26, 16.96, 170.85°)
OKLab	oklab(33.25% -0.0474 0.0069)
OKLCH	oklch(33.25% 0.048 171.8)
XYZ	xyz(2.6966, 3.8782, 3.7378)
Luminance	0.0388 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E33 #3E1823

analogous

#183E20 #183E33 #18363E

triadic

#183E33 #33183E #3E3318

tetradic

#183E33 #20183E #3E1823 #363E18

square

#183E33 #20183E #3E1823 #363E18

split-complementary

#183E33 #3E1836 #3E2018

monochromatic

#091612 #091612 #183E33 #296A57 #3A967C

Accessibility & contrast

On white

11.83

#183E33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#183E33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E33

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E33	#FFFFFF	#000000	##FFFFFF
##183E33	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3A32

Deuteranopia (green-blind)

#363634

Tritanopia (blue-blind)

#063F3B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e33;
/* rgb */ color: rgb(24, 62, 51);
/* oklch */ color: oklch(33.2% 0.048 171.8);

Tailwind

colors: {
  custom: {
    50: '#59736a',
    500: '#183e33',
    950: '#000000',
  },
}

SCSS

$custom: #183e33;
$custom-light: #59736a;
$custom-dark: #000000;

JSON

{
  "hex": "#183e33",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 162.632,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33246,
    "c": 0.04789,
    "h": 171.8
  },
  "luminance": 0.03878
}

Semantic roles & 50–950 ramp

primary

#183E33

secondary

#743D4D

accent

#5479D4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183E33

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

Preview Lab → · Contrast checker → · Palette generator →