#183F31#183F31

#183F31 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.051 H 167.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#183F31
RGB	rgb(24, 63, 49)
HSL	hsl(158, 45%, 17%)
HSV	hsv(158, 62%, 25%)
CMYK	cmyk(61.9%, 0%, 22.2%, 75.3%)
CIE-LAB	lab(23.57, -17.86, 4.47)
CIE-LCH	lch(23.57, 18.41, 165.96°)
OKLab	oklab(33.48% -0.0499 0.0115)
OKLCH	oklch(33.48% 0.051 167.1)
XYZ	xyz(2.7083, 3.9707, 3.5288)
Luminance	0.0397 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183F31 #3F1826

analogous

#183F1E #183F31 #183A3F

triadic

#183F31 #31183F #3F3118

tetradic

#183F31 #1E183F #3F1826 #3A3F18

square

#183F31 #1E183F #3F1826 #3A3F18

split-complementary

#183F31 #3F183A #3F1E18

monochromatic

#081611 #081611 #183F31 #296B53 #3A9876

Accessibility & contrast

On white

11.70

#183F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183F31

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183F31	#FFFFFF	#000000	##FFFFFF
##183F31	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3B30

Deuteranopia (green-blind)

#383632

Tritanopia (blue-blind)

#073F3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183f31;
/* rgb */ color: rgb(24, 63, 49);
/* oklch */ color: oklch(33.5% 0.051 167.1);

Tailwind

colors: {
  custom: {
    50: '#597469',
    500: '#183f31',
    950: '#000000',
  },
}

SCSS

$custom: #183f31;
$custom-light: #597469;
$custom-dark: #000000;

JSON

{
  "hex": "#183f31",
  "rgb": {
    "r": 24,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 158.462,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.33479,
    "c": 0.05117,
    "h": 167.1
  },
  "luminance": 0.03971
}

Semantic roles & 50–950 ramp

primary

#183F31

secondary

#753D51

accent

#5382D5

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183F31

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

Preview Lab → · Contrast checker → · Palette generator →