#18559E#18559E

#18559E is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.3% C 0.133 H 255.7°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#18559E
RGB	rgb(24, 85, 158)
HSL	hsl(213, 74%, 36%)
HSV	hsv(213, 85%, 62%)
CMYK	cmyk(84.8%, 46.2%, 0%, 38%)
CIE-LAB	lab(36.29, 9.04, -44.99)
CIE-LCH	lch(36.29, 45.89, 281.36°)
OKLab	oklab(45.32% -0.0329 -0.1292)
OKLCH	oklch(45.32% 0.133 255.7)
XYZ	xyz(9.7944, 9.1586, 33.5927)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18559E #9E6118

analogous

#18989E #18559E #1E189E

triadic

#18559E #9E1855 #559E18

tetradic

#18559E #9E1898 #9E6118 #189E1E

square

#18559E #9E1898 #9E6118 #189E1E

split-complementary

#18559E #9E1E18 #989E18

monochromatic

#081C34 #103869 #18559E #2072D3 #4D91E4

Accessibility & contrast

On white

7.42

#18559E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#18559E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18559E

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18559E	#FFFFFF	#000000	##FFFFFF
##18559E	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5CA1

Deuteranopia (green-blind)

#0C509D

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #18559e;
/* rgb */ color: rgb(24, 85, 158);
/* oklch */ color: oklch(45.3% 0.133 255.7);

Tailwind

colors: {
  custom: {
    50: '#6d84bb',
    500: '#18559e',
    950: '#000000',
  },
}

SCSS

$custom: #18559e;
$custom-light: #6d84bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18559e",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 212.687,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4532,
    "c": 0.13331,
    "h": 255.7
  },
  "luminance": 0.0916
}

Semantic roles & 50–950 ramp

primary

#18559E

secondary

#C68E4C

accent

#9C38F0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #18559E

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

Preview Lab → · Contrast checker → · Palette generator →