#5199E8#5199E8

#5199E8 is a light, vivid cyan. Relative luminance 0.304; OKLCH L 67.2% C 0.138 H 252.5°. Best body text is #000000 at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#5199E8
RGB	rgb(81, 153, 232)
HSL	hsl(211, 77%, 61%)
HSV	hsv(211, 65%, 91%)
CMYK	cmyk(65.1%, 34.1%, 0%, 9%)
CIE-LAB	lab(61.96, 1.90, -46.54)
CIE-LCH	lch(61.96, 46.58, 272.34°)
OKLab	oklab(67.18% -0.0417 -0.1319)
OKLCH	oklch(67.18% 0.138 252.5)
XYZ	xyz(29.3447, 30.3551, 80.6409)
Luminance	0.3036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199E8 #E8A051

analogous

#51E4E8 #5199E8 #5551E8

triadic

#5199E8 #E85199 #99E851

tetradic

#5199E8 #E851E4 #E8A051 #51E855

square

#5199E8 #E851E4 #E8A051 #51E855

split-complementary

#5199E8 #E85551 #E4E851

monochromatic

#165CA8 #1D79DE #5199E8 #87B9EF #BDD8F6

Accessibility & contrast

On white

2.97

#5199E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.07

#5199E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5199E8

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199E8	#FFFFFF	#000000	##000000
##5199E8	1.00	2.97	7.07	7.07
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.07	21.00	1.00	1.00
##000000	7.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#769EEB

Deuteranopia (green-blind)

#618FE6

Tritanopia (blue-blind)

#00ABB6

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #5199e8;
/* rgb */ color: rgb(81, 153, 232);
/* oklch */ color: oklch(67.2% 0.138 252.5);

Tailwind

colors: {
  custom: {
    50: '#90b6ef',
    500: '#5199e8',
    950: '#000000',
  },
}

SCSS

$custom: #5199e8;
$custom-light: #90b6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5199e8",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 232
  },
  "hsl": {
    "h": 211.391,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67183,
    "c": 0.13837,
    "h": 252.5
  },
  "luminance": 0.30358
}

Semantic roles & 50–950 ramp

primary

#5199E8

secondary

#E7CCAE

accent

#770DD9

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5199E8

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

Preview Lab → · Contrast checker → · Palette generator →