#188CA8#188CA8

#188CA8 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.3% C 0.103 H 219.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#188CA8
RGB	rgb(24, 140, 168)
HSL	hsl(192, 75%, 38%)
HSV	hsv(192, 86%, 66%)
CMYK	cmyk(85.7%, 16.7%, 0%, 34.1%)
CIE-LAB	lab(53.79, -20.10, -23.34)
CIE-LCH	lch(53.79, 30.80, 229.27°)
OKLab	oklab(59.34% -0.0791 -0.0654)
OKLCH	oklch(59.34% 0.103 219.6)
XYZ	xyz(16.8196, 21.7753, 40.3548)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188CA8 #A83418

analogous

#18A87C #188CA8 #1844A8

triadic

#188CA8 #A8188C #8CA818

tetradic

#188CA8 #7C18A8 #A83418 #44A818

square

#188CA8 #7C18A8 #A83418 #44A818

split-complementary

#188CA8 #A81844 #A87C18

monochromatic

#09333D #105F72 #188CA8 #20B9DE #54CAE7

Accessibility & contrast

On white

3.92

#188CA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#188CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188CA8

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188CA8	#FFFFFF	#000000	##000000
##188CA8	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B88A9

Deuteranopia (green-blind)

#687BA8

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #188ca8;
/* rgb */ color: rgb(24, 140, 168);
/* oklch */ color: oklch(59.3% 0.103 219.6);

Tailwind

colors: {
  custom: {
    50: '#72adc2',
    500: '#188ca8',
    950: '#000000',
  },
}

SCSS

$custom: #188ca8;
$custom-light: #72adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#188ca8",
  "rgb": {
    "r": 24,
    "g": 140,
    "b": 168
  },
  "hsl": {
    "h": 191.667,
    "s": 75,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59344,
    "c": 0.1026,
    "h": 219.6
  },
  "luminance": 0.21778
}

Semantic roles & 50–950 ramp

primary

#188CA8

secondary

#C96A53

accent

#5B36F2

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #188CA8

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

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