#18334F#18334F

#18334F is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.5% C 0.060 H 251.1°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#18334F
RGB	rgb(24, 51, 79)
HSL	hsl(211, 53%, 20%)
HSV	hsv(211, 70%, 31%)
CMYK	cmyk(69.6%, 35.4%, 0%, 69%)
CIE-LAB	lab(20.54, 0.00, -20.21)
CIE-LCH	lch(20.54, 20.21, 270.00°)
OKLab	oklab(31.46% -0.0196 -0.0571)
OKLCH	oklch(31.46% 0.06 251.1)
XYZ	xyz(2.9713, 3.1261, 7.8424)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18334F #4F3418

analogous

#184F4F #18334F #18184F

triadic

#18334F #4F1833 #334F18

tetradic

#18334F #4F184F #4F3418 #184F18

square

#18334F #4F184F #4F3418 #184F18

split-complementary

#18334F #4F1818 #4F4F18

monochromatic

#070F17 #0A1520 #18334F #26517E #3570AD

Accessibility & contrast

On white

12.92

#18334F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#18334F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18334F

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18334F	#FFFFFF	#000000	##FFFFFF
##18334F	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273450

Deuteranopia (green-blind)

#1F2F4E

Tritanopia (blue-blind)

#003A3D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18334f;
/* rgb */ color: rgb(24, 51, 79);
/* oklch */ color: oklch(31.5% 0.060 251.1);

Tailwind

colors: {
  custom: {
    50: '#5b6a80',
    500: '#18334f',
    950: '#000000',
  },
}

SCSS

$custom: #18334f;
$custom-light: #5b6a80;
$custom-dark: #000000;

JSON

{
  "hex": "#18334f",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 79
  },
  "hsl": {
    "h": 210.545,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.3146,
    "c": 0.06041,
    "h": 251.1
  },
  "luminance": 0.03126
}

Semantic roles & 50–950 ramp

primary

#18334F

secondary

#86623D

accent

#954BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #18334F

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

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