#18282E#18282E

#18282E is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.024 H 223.5°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#18282E
RGB	rgb(24, 40, 46)
HSL	hsl(196, 31%, 14%)
HSV	hsv(196, 48%, 18%)
CMYK	cmyk(47.8%, 13%, 0%, 82%)
CIE-LAB	lab(15.00, -4.73, -6.05)
CIE-LCH	lch(15.00, 7.68, 231.99°)
OKLab	oklab(26.54% -0.0175 -0.0166)
OKLCH	oklch(26.54% 0.024 223.5)
XYZ	xyz(1.6285, 1.9089, 2.8669)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18282E #2E1E18

analogous

#182E29 #18282E #181D2E

triadic

#18282E #2E1828 #282E18

tetradic

#18282E #29182E #2E1E18 #1D2E18

square

#18282E #29182E #2E1E18 #1D2E18

split-complementary

#18282E #2E181D #2E2918

monochromatic

#0A1114 #0A1114 #18282E #2D4B56 #426E7E

Accessibility & contrast

On white

15.20

#18282E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#18282E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18282E

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18282E	#FFFFFF	#000000	##FFFFFF
##18282E	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25272E

Deuteranopia (green-blind)

#21252E

Tritanopia (blue-blind)

#0F2A2A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #18282e;
/* rgb */ color: rgb(24, 40, 46);
/* oklch */ color: oklch(26.5% 0.024 223.5);

Tailwind

colors: {
  custom: {
    50: '#566166',
    500: '#18282e',
    950: '#000000',
  },
}

SCSS

$custom: #18282e;
$custom-light: #566166;
$custom-dark: #000000;

JSON

{
  "hex": "#18282e",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 46
  },
  "hsl": {
    "h": 196.364,
    "s": 31.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.26539,
    "c": 0.02417,
    "h": 223.5
  },
  "luminance": 0.01909
}

Semantic roles & 50–950 ramp

primary

#18282E

secondary

#63493F

accent

#7C60C8

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030506

muted

#78797A

Preview Lab

Preview with #18282E

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

Preview Lab → · Contrast checker → · Palette generator →