#183E31#183E31

#183E31 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.050 H 168.2°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#183E31
RGB	rgb(24, 62, 49)
HSL	hsl(159, 44%, 17%)
HSV	hsv(159, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 21%, 75.7%)
CIE-LAB	lab(23.21, -17.31, 3.94)
CIE-LCH	lch(23.21, 17.76, 167.17°)
OKLab	oklab(33.18% -0.0485 0.0101)
OKLCH	oklch(33.18% 0.05 168.2)
XYZ	xyz(2.6534, 3.8609, 3.5105)
Luminance	0.0386 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E31 #3E1825

analogous

#183E1E #183E31 #18383E

triadic

#183E31 #31183E #3E3118

tetradic

#183E31 #1E183E #3E1825 #383E18

square

#183E31 #1E183E #3E1825 #383E18

split-complementary

#183E31 #3E1838 #3E1E18

monochromatic

#091611 #091611 #183E31 #296A54 #3A9677

Accessibility & contrast

On white

11.85

#183E31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183E31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E31

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E31	#FFFFFF	#000000	##FFFFFF
##183E31	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3A30

Deuteranopia (green-blind)

#373632

Tritanopia (blue-blind)

#083E3A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e31;
/* rgb */ color: rgb(24, 62, 49);
/* oklch */ color: oklch(33.2% 0.050 168.2);

Tailwind

colors: {
  custom: {
    50: '#597369',
    500: '#183e31',
    950: '#000000',
  },
}

SCSS

$custom: #183e31;
$custom-light: #597369;
$custom-dark: #000000;

JSON

{
  "hex": "#183e31",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 159.474,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33179,
    "c": 0.04955,
    "h": 168.2
  },
  "luminance": 0.03861
}

Semantic roles & 50–950 ramp

primary

#183E31

secondary

#743D50

accent

#5480D4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183E31

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

Preview Lab → · Contrast checker → · Palette generator →