#18282C#18282C

#18282C is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.4% C 0.023 H 215.1°. Best body text is #FFFFFF at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#18282C
RGB	rgb(24, 40, 44)
HSL	hsl(192, 29%, 13%)
HSV	hsv(192, 45%, 17%)
CMYK	cmyk(45.5%, 9.1%, 0%, 82.7%)
CIE-LAB	lab(14.92, -5.39, -4.76)
CIE-LCH	lch(14.92, 7.19, 221.40°)
OKLab	oklab(26.44% -0.0185 -0.013)
OKLCH	oklch(26.44% 0.023 215.1)
XYZ	xyz(1.5899, 1.8935, 2.6641)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18282C #2C1C18

analogous

#182C26 #18282C #181E2C

triadic

#18282C #2C1828 #282C18

tetradic

#18282C #26182C #2C1C18 #1E2C18

square

#18282C #26182C #2C1C18 #1E2C18

split-complementary

#18282C #2C181E #2C2618

monochromatic

#0B1214 #0B1214 #18282C #2E4C54 #43707B

Accessibility & contrast

On white

15.23

#18282C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18282C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18282C

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18282C	#FFFFFF	#000000	##FFFFFF
##18282C	1.00	15.23	1.38	15.23
#FFFFFF	15.23	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25272C

Deuteranopia (green-blind)

#22242C

Tritanopia (blue-blind)

#102A29

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #18282c;
/* rgb */ color: rgb(24, 40, 44);
/* oklch */ color: oklch(26.4% 0.023 215.1);

Tailwind

colors: {
  custom: {
    50: '#566165',
    500: '#18282c',
    950: '#000000',
  },
}

SCSS

$custom: #18282c;
$custom-light: #566165;
$custom-dark: #000000;

JSON

{
  "hex": "#18282c",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 44
  },
  "hsl": {
    "h": 192,
    "s": 29.412,
    "l": 13.333
  },
  "oklch": {
    "l": 0.26444,
    "c": 0.02267,
    "h": 215.1
  },
  "luminance": 0.01894
}

Semantic roles & 50–950 ramp

primary

#18282C

secondary

#60463F

accent

#7662C6

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030505

muted

#78797A

Preview Lab

Preview with #18282C

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

Preview Lab → · Contrast checker → · Palette generator →