#188CB4#188CB4

#188CB4 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.9% C 0.111 H 228.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#188CB4
RGB	rgb(24, 140, 180)
HSL	hsl(195, 76%, 40%)
HSV	hsv(195, 87%, 71%)
CMYK	cmyk(86.7%, 22.2%, 0%, 29.4%)
CIE-LAB	lab(54.28, -15.87, -29.45)
CIE-LCH	lch(54.28, 33.46, 241.68°)
OKLab	oklab(59.91% -0.0744 -0.0829)
OKLCH	oklch(59.91% 0.111 228.1)
XYZ	xyz(17.9896, 22.2433, 46.5164)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188CB4 #B44018

analogous

#18B48E #188CB4 #183EB4

triadic

#188CB4 #B4188C #8CB418

tetradic

#188CB4 #8E18B4 #B44018 #3EB418

square

#188CB4 #8E18B4 #B44018 #3EB418

split-complementary

#188CB4 #B4183E #B48E18

monochromatic

#0A3848 #11627E #188CB4 #27B2E2 #5DC5E9

Accessibility & contrast

On white

3.85

#188CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#188CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188CB4

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188CB4	#FFFFFF	#000000	##000000
##188CB4	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778AB6

Deuteranopia (green-blind)

#637CB3

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #188cb4;
/* rgb */ color: rgb(24, 140, 180);
/* oklch */ color: oklch(59.9% 0.111 228.1);

Tailwind

colors: {
  custom: {
    50: '#74adca',
    500: '#188cb4',
    950: '#000000',
  },
}

SCSS

$custom: #188cb4;
$custom-light: #74adca;
$custom-dark: #000000;

JSON

{
  "hex": "#188cb4",
  "rgb": {
    "r": 24,
    "g": 140,
    "b": 180
  },
  "hsl": {
    "h": 195.385,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.59907,
    "c": 0.11143,
    "h": 228.1
  },
  "luminance": 0.22246
}

Semantic roles & 50–950 ramp

primary

#188CB4

secondary

#CD785B

accent

#6635F3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #188CB4

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

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