#18508A#18508A

#18508A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.7% C 0.112 H 252.8°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#18508A
RGB	rgb(24, 80, 138)
HSL	hsl(211, 70%, 32%)
HSV	hsv(211, 83%, 54%)
CMYK	cmyk(82.6%, 42%, 0%, 45.9%)
CIE-LAB	lab(33.49, 4.25, -37.35)
CIE-LCH	lch(33.49, 37.59, 276.50°)
OKLab	oklab(42.74% -0.0331 -0.1068)
OKLCH	oklch(42.74% 0.112 252.8)
XYZ	xyz(7.8311, 7.7655, 25.1260)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18508A #8A5218

analogous

#18898A #18508A #19188A

triadic

#18508A #8A1850 #508A18

tetradic

#18508A #8A1889 #8A5218 #188A19

square

#18508A #8A1889 #8A5218 #188A19

split-complementary

#18508A #8A1918 #898A18

monochromatic

#061422 #0F3256 #18508A #216EBE #3F8DDE

Accessibility & contrast

On white

8.22

#18508A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#18508A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18508A

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18508A	#FFFFFF	#000000	##FFFFFF
##18508A	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548C

Deuteranopia (green-blind)

#204A89

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18508a;
/* rgb */ color: rgb(24, 80, 138);
/* oklch */ color: oklch(42.7% 0.112 252.8);

Tailwind

colors: {
  custom: {
    50: '#6980ac',
    500: '#18508a',
    950: '#000000',
  },
}

SCSS

$custom: #18508a;
$custom-light: #6980ac;
$custom-dark: #000000;

JSON

{
  "hex": "#18508a",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 138
  },
  "hsl": {
    "h": 210.526,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42735,
    "c": 0.11182,
    "h": 252.8
  },
  "luminance": 0.07766
}

Semantic roles & 50–950 ramp

primary

#18508A

secondary

#BD8040

accent

#953BED

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18508A

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

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