#188DA8#188DA8

#188DA8 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.6% C 0.102 H 218.7°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#188DA8
RGB	rgb(24, 141, 168)
HSL	hsl(191, 75%, 38%)
HSV	hsv(191, 86%, 66%)
CMYK	cmyk(85.7%, 16.1%, 0%, 34.1%)
CIE-LAB	lab(54.10, -20.63, -22.86)
CIE-LCH	lch(54.10, 30.79, 227.94°)
OKLab	oklab(59.6% -0.08 -0.064)
OKLCH	oklch(59.6% 0.102 218.7)
XYZ	xyz(16.9664, 22.0689, 40.4037)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188DA8 #A83318

analogous

#18A87B #188DA8 #1845A8

triadic

#188DA8 #A8188D #8DA818

tetradic

#188DA8 #7B18A8 #A83318 #45A818

square

#188DA8 #7B18A8 #A83318 #45A818

split-complementary

#188DA8 #A81845 #A87B18

monochromatic

#09333D #106072 #188DA8 #20BADE #54CBE7

Accessibility & contrast

On white

3.88

#188DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#188DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188DA8

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188DA8	#FFFFFF	#000000	##000000
##188DA8	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89A9

Deuteranopia (green-blind)

#6A7CA8

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #188da8;
/* rgb */ color: rgb(24, 141, 168);
/* oklch */ color: oklch(59.6% 0.102 218.7);

Tailwind

colors: {
  custom: {
    50: '#72aec2',
    500: '#188da8',
    950: '#000000',
  },
}

SCSS

$custom: #188da8;
$custom-light: #72aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#188da8",
  "rgb": {
    "r": 24,
    "g": 141,
    "b": 168
  },
  "hsl": {
    "h": 191.25,
    "s": 75,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59595,
    "c": 0.10246,
    "h": 218.7
  },
  "luminance": 0.22071
}

Semantic roles & 50–950 ramp

primary

#188DA8

secondary

#C96953

accent

#5936F2

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #188DA8

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

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