#183239#183239

#183239 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.0% C 0.034 H 217.3°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#183239
RGB	rgb(24, 50, 57)
HSL	hsl(193, 41%, 16%)
HSV	hsv(193, 58%, 22%)
CMYK	cmyk(57.9%, 12.3%, 0%, 77.6%)
CIE-LAB	lab(19.10, -7.61, -7.52)
CIE-LCH	lch(19.10, 10.70, 224.63°)
OKLab	oklab(29.96% -0.0273 -0.0208)
OKLCH	oklch(29.96% 0.034 217.3)
XYZ	xyz(2.2555, 2.7706, 4.2860)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183239 #391F18

analogous

#18392F #183239 #182139

triadic

#183239 #391832 #323918

tetradic

#183239 #2F1839 #391F18 #213918

square

#183239 #2F1839 #391F18 #213918

split-complementary

#183239 #391821 #392F18

monochromatic

#091316 #091316 #183239 #2A5864 #3C7E8F

Accessibility & contrast

On white

13.51

#183239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#183239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183239

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183239	#FFFFFF	#000000	##FFFFFF
##183239	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3139

Deuteranopia (green-blind)

#282D39

Tritanopia (blue-blind)

#063534

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #183239;
/* rgb */ color: rgb(24, 50, 57);
/* oklch */ color: oklch(30.0% 0.034 217.3);

Tailwind

colors: {
  custom: {
    50: '#58696f',
    500: '#183239',
    950: '#000000',
  },
}

SCSS

$custom: #183239;
$custom-light: #58696f;
$custom-dark: #000000;

JSON

{
  "hex": "#183239",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 192.727,
    "s": 40.741,
    "l": 15.882
  },
  "oklch": {
    "l": 0.2996,
    "c": 0.03431,
    "h": 217.3
  },
  "luminance": 0.02771
}

Semantic roles & 50–950 ramp

primary

#183239

secondary

#6F483E

accent

#7157D1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #183239

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

Preview Lab → · Contrast checker → · Palette generator →