#18559F#18559F

#18559F is a mid, vivid cyan. Relative luminance 0.092; OKLCH L 45.4% C 0.135 H 255.9°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#18559F
RGB	rgb(24, 85, 159)
HSL	hsl(213, 74%, 36%)
HSV	hsv(213, 85%, 62%)
CMYK	cmyk(84.9%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(36.35, 9.44, -45.48)
CIE-LCH	lch(36.35, 46.45, 281.72°)
OKLab	oklab(45.39% -0.0327 -0.1306)
OKLCH	oklch(45.39% 0.135 255.9)
XYZ	xyz(9.8809, 9.1932, 34.0478)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18559F #9F6218

analogous

#18989F #18559F #1F189F

triadic

#18559F #9F1855 #559F18

tetradic

#18559F #9F1898 #9F6218 #189F1F

square

#18559F #9F1898 #9F6218 #189F1F

split-complementary

#18559F #9F1F18 #989F18

monochromatic

#081C35 #10396A #18559F #2071D4 #4D91E4

Accessibility & contrast

On white

7.40

#18559F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#18559F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18559F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18559F	#FFFFFF	#000000	##FFFFFF
##18559F	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5CA2

Deuteranopia (green-blind)

#08509E

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #18559f;
/* rgb */ color: rgb(24, 85, 159);
/* oklch */ color: oklch(45.4% 0.135 255.9);

Tailwind

colors: {
  custom: {
    50: '#6e84bc',
    500: '#18559f',
    950: '#000000',
  },
}

SCSS

$custom: #18559f;
$custom-light: #6e84bc;
$custom-dark: #000000;

JSON

{
  "hex": "#18559f",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 212.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45392,
    "c": 0.13468,
    "h": 255.9
  },
  "luminance": 0.09194
}

Semantic roles & 50–950 ramp

primary

#18559F

secondary

#C68F4D

accent

#9D37F0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #18559F

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

Preview Lab → · Contrast checker → · Palette generator →