#188EB4#188EB4

#188EB4 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.4% C 0.111 H 226.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#188EB4
RGB	rgb(24, 142, 180)
HSL	hsl(195, 76%, 40%)
HSV	hsv(195, 87%, 71%)
CMYK	cmyk(86.7%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(54.90, -16.97, -28.49)
CIE-LCH	lch(54.90, 33.16, 239.23°)
OKLab	oklab(60.4% -0.0763 -0.0802)
OKLCH	oklch(60.4% 0.111 226.4)
XYZ	xyz(18.2845, 22.8331, 46.6147)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188EB4 #B43E18

analogous

#18B48C #188EB4 #1840B4

triadic

#188EB4 #B4188E #8EB418

tetradic

#188EB4 #8C18B4 #B43E18 #40B418

square

#188EB4 #8C18B4 #B43E18 #40B418

split-complementary

#188EB4 #B41840 #B48C18

monochromatic

#0A3948 #11637E #188EB4 #27B5E2 #5DC7E9

Accessibility & contrast

On white

3.77

#188EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#188EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188EB4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188EB4	#FFFFFF	#000000	##000000
##188EB4	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB6

Deuteranopia (green-blind)

#667DB4

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #188eb4;
/* rgb */ color: rgb(24, 142, 180);
/* oklch */ color: oklch(60.4% 0.111 226.4);

Tailwind

colors: {
  custom: {
    50: '#74afca',
    500: '#188eb4',
    950: '#000000',
  },
}

SCSS

$custom: #188eb4;
$custom-light: #74afca;
$custom-dark: #000000;

JSON

{
  "hex": "#188eb4",
  "rgb": {
    "r": 24,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 194.615,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.604,
    "c": 0.11064,
    "h": 226.4
  },
  "luminance": 0.22835
}

Semantic roles & 50–950 ramp

primary

#188EB4

secondary

#CD765B

accent

#6335F3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #188EB4

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

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