#18518C#18518C

#18518C is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.113 H 252.8°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#18518C
RGB	rgb(24, 81, 140)
HSL	hsl(211, 71%, 32%)
HSV	hsv(211, 83%, 55%)
CMYK	cmyk(82.9%, 42.1%, 0%, 45.1%)
CIE-LAB	lab(33.92, 4.40, -37.88)
CIE-LCH	lch(33.92, 38.13, 276.63°)
OKLab	oklab(43.11% -0.0335 -0.1084)
OKLCH	oklch(43.11% 0.113 252.8)
XYZ	xyz(8.0510, 7.9715, 25.9202)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18518C #8C5318

analogous

#188B8C #18518C #19188C

triadic

#18518C #8C1851 #518C18

tetradic

#18518C #8C188B #8C5318 #188C19

square

#18518C #8C188B #8C5318 #188C19

split-complementary

#18518C #8C1918 #8B8C18

monochromatic

#061524 #0F3358 #18518C #216FC0 #408EDE

Accessibility & contrast

On white

8.09

#18518C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#18518C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18518C

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18518C	#FFFFFF	#000000	##FFFFFF
##18518C	1.00	8.09	2.59	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34558E

Deuteranopia (green-blind)

#204B8B

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18518c;
/* rgb */ color: rgb(24, 81, 140);
/* oklch */ color: oklch(43.1% 0.113 252.8);

Tailwind

colors: {
  custom: {
    50: '#6981ae',
    500: '#18518c',
    950: '#000000',
  },
}

SCSS

$custom: #18518c;
$custom-light: #6981ae;
$custom-dark: #000000;

JSON

{
  "hex": "#18518c",
  "rgb": {
    "r": 24,
    "g": 81,
    "b": 140
  },
  "hsl": {
    "h": 210.517,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43114,
    "c": 0.11341,
    "h": 252.8
  },
  "luminance": 0.07972
}

Semantic roles & 50–950 ramp

primary

#18518C

secondary

#BF8141

accent

#953AED

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18518C

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

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