#183E30#183E30

#183E30 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.1% C 0.050 H 166.6°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#183E30
RGB	rgb(24, 62, 48)
HSL	hsl(158, 44%, 17%)
HSV	hsv(158, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 22.6%, 75.7%)
CIE-LAB	lab(23.18, -17.59, 4.56)
CIE-LCH	lch(23.18, 18.17, 165.45°)
OKLab	oklab(33.15% -0.0491 0.0117)
OKLCH	oklch(33.15% 0.05 166.6)
XYZ	xyz(2.6326, 3.8526, 3.4006)
Luminance	0.0385 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E30 #3E1826

analogous

#183E1D #183E30 #18393E

triadic

#183E30 #30183E #3E3018

tetradic

#183E30 #1D183E #3E1826 #393E18

square

#183E30 #1D183E #3E1826 #393E18

split-complementary

#183E30 #3E1839 #3E1D18

monochromatic

#091611 #091611 #183E30 #296A52 #3A9674

Accessibility & contrast

On white

11.86

#183E30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183E30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E30

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E30	#FFFFFF	#000000	##FFFFFF
##183E30	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A2F

Deuteranopia (green-blind)

#373631

Tritanopia (blue-blind)

#083E3A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e30;
/* rgb */ color: rgb(24, 62, 48);
/* oklch */ color: oklch(33.1% 0.050 166.6);

Tailwind

colors: {
  custom: {
    50: '#597368',
    500: '#183e30',
    950: '#000000',
  },
}

SCSS

$custom: #183e30;
$custom-light: #597368;
$custom-dark: #000000;

JSON

{
  "hex": "#183e30",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 48
  },
  "hsl": {
    "h": 157.895,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33147,
    "c": 0.05045,
    "h": 166.6
  },
  "luminance": 0.03853
}

Semantic roles & 50–950 ramp

primary

#183E30

secondary

#743D52

accent

#5483D4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183E30

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

Preview Lab → · Contrast checker → · Palette generator →