#5199E3#5199E3

#5199E3 is a light, vivid cyan. Relative luminance 0.301; OKLCH L 66.9% C 0.132 H 251.0°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#5199E3
RGB	rgb(81, 153, 227)
HSL	hsl(210, 72%, 60%)
HSV	hsv(210, 64%, 89%)
CMYK	cmyk(64.3%, 32.6%, 0%, 11%)
CIE-LAB	lab(61.72, 0.23, -44.15)
CIE-LCH	lch(61.72, 44.15, 270.30°)
OKLab	oklab(66.92% -0.0431 -0.125)
OKLCH	oklch(66.92% 0.132 251)
XYZ	xyz(28.6446, 30.0750, 76.9536)
Luminance	0.3008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199E3 #E39B51

analogous

#51E2E3 #5199E3 #5251E3

triadic

#5199E3 #E35199 #99E351

tetradic

#5199E3 #E351E2 #E39B51 #51E352

square

#5199E3 #E351E2 #E39B51 #51E352

split-complementary

#5199E3 #E35251 #E2E351

monochromatic

#1A5CA0 #227AD5 #5199E3 #86B8EB #BAD7F4

Accessibility & contrast

On white

2.99

#5199E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#5199E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5199E3

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199E3	#FFFFFF	#000000	##000000
##5199E3	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#799DE6

Deuteranopia (green-blind)

#658FE2

Tritanopia (blue-blind)

#00AAB4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5199e3;
/* rgb */ color: rgb(81, 153, 227);
/* oklch */ color: oklch(66.9% 0.132 251.0);

Tailwind

colors: {
  custom: {
    50: '#8fb6ec',
    500: '#5199e3',
    950: '#000000',
  },
}

SCSS

$custom: #5199e3;
$custom-light: #8fb6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5199e3",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 227
  },
  "hsl": {
    "h": 210.411,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.66916,
    "c": 0.13217,
    "h": 251
  },
  "luminance": 0.30078
}

Semantic roles & 50–950 ramp

primary

#5199E3

secondary

#E4C8AC

accent

#7411D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5199E3

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

Preview Lab → · Contrast checker → · Palette generator →