#18819B#18819B

#18819B is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.0% C 0.096 H 219.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#18819B
RGB	rgb(24, 129, 155)
HSL	hsl(192, 73%, 35%)
HSV	hsv(192, 85%, 61%)
CMYK	cmyk(84.5%, 16.8%, 0%, 39.2%)
CIE-LAB	lab(49.81, -18.72, -21.93)
CIE-LCH	lch(49.81, 28.84, 229.52°)
OKLab	oklab(55.97% -0.0737 -0.0614)
OKLCH	oklch(55.97% 0.096 219.8)
XYZ	xyz(14.1408, 18.2595, 33.7831)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18819B #9B3218

analogous

#189B73 #18819B #18409B

triadic

#18819B #9B1881 #819B18

tetradic

#18819B #73189B #9B3218 #409B18

square

#18819B #73189B #9B3218 #409B18

split-complementary

#18819B #9B1840 #9B7318

monochromatic

#082931 #105566 #18819B #20ADD0 #4AC5E3

Accessibility & contrast

On white

4.51

#18819B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#18819B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18819B

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18819B	#FFFFFF	#000000	##000000
##18819B	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717D9C

Deuteranopia (green-blind)

#60719B

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #18819b;
/* rgb */ color: rgb(24, 129, 155);
/* oklch */ color: oklch(56.0% 0.096 219.8);

Tailwind

colors: {
  custom: {
    50: '#6fa5b8',
    500: '#18819b',
    950: '#000000',
  },
}

SCSS

$custom: #18819b;
$custom-light: #6fa5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#18819b",
  "rgb": {
    "r": 24,
    "g": 129,
    "b": 155
  },
  "hsl": {
    "h": 191.908,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5597,
    "c": 0.09597,
    "h": 219.8
  },
  "luminance": 0.18261
}

Semantic roles & 50–950 ramp

primary

#18819B

secondary

#C5624A

accent

#5C38F0

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #18819B

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

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