#5199EC#5199EC

#5199EC is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.4% C 0.143 H 253.5°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#5199EC
RGB	rgb(81, 153, 236)
HSL	hsl(212, 80%, 62%)
HSV	hsv(212, 66%, 93%)
CMYK	cmyk(65.7%, 35.2%, 0%, 7.5%)
CIE-LAB	lab(62.16, 3.25, -48.44)
CIE-LCH	lch(62.16, 48.55, 273.84°)
OKLab	oklab(67.4% -0.0407 -0.1375)
OKLCH	oklch(67.4% 0.143 253.5)
XYZ	xyz(29.9194, 30.5849, 83.6673)
Luminance	0.3059 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199EC #ECA451

analogous

#51E7EC #5199EC #5751EC

triadic

#5199EC #EC5199 #99EC51

tetradic

#5199EC #EC51E7 #ECA451 #51EC57

square

#5199EC #EC51E7 #ECA451 #51EC57

split-complementary

#5199EC #EC5751 #E7EC51

monochromatic

#135CAF #1A79E6 #5199EC #88B9F2 #BFDAF8

Accessibility & contrast

On white

2.95

#5199EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#5199EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5199EC

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199EC	#FFFFFF	#000000	##000000
##5199EC	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#749EEF

Deuteranopia (green-blind)

#5E90EA

Tritanopia (blue-blind)

#00ACB7

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #5199ec;
/* rgb */ color: rgb(81, 153, 236);
/* oklch */ color: oklch(67.4% 0.143 253.5);

Tailwind

colors: {
  custom: {
    50: '#91b6f2',
    500: '#5199ec',
    950: '#000000',
  },
}

SCSS

$custom: #5199ec;
$custom-light: #91b6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5199ec",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 236
  },
  "hsl": {
    "h": 212.129,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.674,
    "c": 0.14337,
    "h": 253.5
  },
  "luminance": 0.30588
}

Semantic roles & 50–950 ramp

primary

#5199EC

secondary

#E9CEB0

accent

#7A09DD

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #5199EC

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

Preview Lab → · Contrast checker → · Palette generator →