#183E38#183E38

#183E38 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.045 H 181.7°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#183E38
RGB	rgb(24, 62, 56)
HSL	hsl(171, 44%, 17%)
HSV	hsv(171, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 9.7%, 75.7%)
CIE-LAB	lab(23.42, -15.26, -0.40)
CIE-LCH	lch(23.42, 15.27, 181.51°)
OKLab	oklab(33.42% -0.0446 -0.0013)
OKLCH	oklch(33.42% 0.045 181.7)
XYZ	xyz(2.8128, 3.9247, 4.3499)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E38 #3E181E

analogous

#183E25 #183E38 #18313E

triadic

#183E38 #38183E #3E3818

tetradic

#183E38 #25183E #3E181E #313E18

square

#183E38 #25183E #3E181E #313E18

split-complementary

#183E38 #3E1831 #3E2518

monochromatic

#091614 #091614 #183E38 #296A60 #3A9688

Accessibility & contrast

On white

11.76

#183E38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183E38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E38

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E38	#FFFFFF	#000000	##FFFFFF
##183E38	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3A38

Deuteranopia (green-blind)

#353639

Tritanopia (blue-blind)

#023F3C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183e38;
/* rgb */ color: rgb(24, 62, 56);
/* oklch */ color: oklch(33.4% 0.045 181.7);

Tailwind

colors: {
  custom: {
    50: '#59736e',
    500: '#183e38',
    950: '#000000',
  },
}

SCSS

$custom: #183e38;
$custom-light: #59736e;
$custom-dark: #000000;

JSON

{
  "hex": "#183e38",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 170.526,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33425,
    "c": 0.04465,
    "h": 181.7
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#183E38

secondary

#743D46

accent

#5468D4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040807

muted

#797B7A

Preview Lab

Preview with #183E38

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

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