#519CCC#519CCC

#519CCC is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.4% C 0.103 H 239.0°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#519CCC
RGB	rgb(81, 156, 204)
HSL	hsl(203, 55%, 56%)
HSV	hsv(203, 60%, 80%)
CMYK	cmyk(60.3%, 23.5%, 0%, 20%)
CIE-LAB	lab(61.55, -8.97, -31.61)
CIE-LCH	lch(61.55, 32.86, 254.15°)
OKLab	oklab(66.45% -0.0532 -0.0886)
OKLCH	oklch(66.45% 0.103 239)
XYZ	xyz(26.1768, 29.8834, 61.5036)
Luminance	0.2989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519CCC #CC8151

analogous

#51CCBF #519CCC #515ECC

triadic

#519CCC #CC519C #9CCC51

tetradic

#519CCC #BF51CC #CC8151 #5ECC51

square

#519CCC #BF51CC #CC8151 #5ECC51

split-complementary

#519CCC #CC515E #CCBF51

monochromatic

#255B7E #337DAD #519CCC #80B7DA #B0D2E8

Accessibility & contrast

On white

3.01

#519CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#519CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519CCC

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519CCC	#FFFFFF	#000000	##000000
##519CCC	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869CCE

Deuteranopia (green-blind)

#758FCB

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #519ccc;
/* rgb */ color: rgb(81, 156, 204);
/* oklch */ color: oklch(66.4% 0.103 239.0);

Tailwind

colors: {
  custom: {
    50: '#8cb9db',
    500: '#519ccc',
    950: '#000000',
  },
}

SCSS

$custom: #519ccc;
$custom-light: #8cb9db;
$custom-dark: #000000;

JSON

{
  "hex": "#519ccc",
  "rgb": {
    "r": 81,
    "g": 156,
    "b": 204
  },
  "hsl": {
    "h": 203.415,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.66448,
    "c": 0.10337,
    "h": 239
  },
  "luminance": 0.29886
}

Semantic roles & 50–950 ramp

primary

#519CCC

secondary

#D6B7A3

accent

#844ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #519CCC

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

Preview Lab → · Contrast checker → · Palette generator →