#188EA8#188EA8

#188EA8 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.8% C 0.102 H 217.7°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#188EA8
RGB	rgb(24, 142, 168)
HSL	hsl(191, 75%, 38%)
HSV	hsv(191, 86%, 66%)
CMYK	cmyk(85.7%, 15.5%, 0%, 34.1%)
CIE-LAB	lab(54.41, -21.16, -22.38)
CIE-LCH	lch(54.41, 30.80, 226.61°)
OKLab	oklab(59.85% -0.081 -0.0626)
OKLCH	oklch(59.85% 0.102 217.7)
XYZ	xyz(17.1145, 22.3651, 40.4531)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188EA8 #A83218

analogous

#18A87A #188EA8 #1846A8

triadic

#188EA8 #A8188E #8EA818

tetradic

#188EA8 #7A18A8 #A83218 #46A818

square

#188EA8 #7A18A8 #A83218 #46A818

split-complementary

#188EA8 #A81846 #A87A18

monochromatic

#09333D #106172 #188EA8 #20BBDE #54CCE7

Accessibility & contrast

On white

3.84

#188EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#188EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188EA8

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188EA8	#FFFFFF	#000000	##000000
##188EA8	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AA9

Deuteranopia (green-blind)

#6B7CA8

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #188ea8;
/* rgb */ color: rgb(24, 142, 168);
/* oklch */ color: oklch(59.8% 0.102 217.7);

Tailwind

colors: {
  custom: {
    50: '#72afc2',
    500: '#188ea8',
    950: '#000000',
  },
}

SCSS

$custom: #188ea8;
$custom-light: #72afc2;
$custom-dark: #000000;

JSON

{
  "hex": "#188ea8",
  "rgb": {
    "r": 24,
    "g": 142,
    "b": 168
  },
  "hsl": {
    "h": 190.833,
    "s": 75,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59847,
    "c": 0.10236,
    "h": 217.7
  },
  "luminance": 0.22367
}

Semantic roles & 50–950 ramp

primary

#188EA8

secondary

#C96853

accent

#5836F2

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #188EA8

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

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