#5188CB#5188CB

#5188CB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.9% C 0.118 H 254.3°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#5188CB
RGB	rgb(81, 136, 203)
HSL	hsl(213, 54%, 56%)
HSV	hsv(213, 60%, 80%)
CMYK	cmyk(60.1%, 33%, 0%, 20.4%)
CIE-LAB	lab(55.75, 2.18, -40.12)
CIE-LCH	lch(55.75, 40.17, 273.10°)
OKLab	oklab(61.87% -0.0319 -0.1134)
OKLCH	oklch(61.87% 0.118 254.3)
XYZ	xyz(22.9731, 23.6674, 59.8459)
Luminance	0.2367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188CB #CB9451

analogous

#51C5CB #5188CB #5751CB

triadic

#5188CB #CB5188 #88CB51

tetradic

#5188CB #CB51C5 #CB9451 #51CB57

square

#5188CB #CB51C5 #CB9451 #51CB57

split-complementary

#5188CB #CB5751 #C5CB51

monochromatic

#254D7C #3369AC #5188CB #80A8D9 #AFC8E7

Accessibility & contrast

On white

3.66

#5188CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#5188CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188CB

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188CB	#FFFFFF	#000000	##000000
##5188CB	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCE

Deuteranopia (green-blind)

#5C80CA

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5188cb;
/* rgb */ color: rgb(81, 136, 203);
/* oklch */ color: oklch(61.9% 0.118 254.3);

Tailwind

colors: {
  custom: {
    50: '#8caadb',
    500: '#5188cb',
    950: '#000000',
  },
}

SCSS

$custom: #5188cb;
$custom-light: #8caadb;
$custom-dark: #000000;

JSON

{
  "hex": "#5188cb",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 203
  },
  "hsl": {
    "h": 212.951,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61865,
    "c": 0.11776,
    "h": 254.3
  },
  "luminance": 0.23669
}

Semantic roles & 50–950 ramp

primary

#5188CB

secondary

#D5BEA3

accent

#9B4ADD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5188CB

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

Preview Lab → · Contrast checker → · Palette generator →