#5199CC#5199CC

#5199CC is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.8% C 0.105 H 241.6°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#5199CC
RGB	rgb(81, 153, 204)
HSL	hsl(205, 55%, 56%)
HSV	hsv(205, 60%, 80%)
CMYK	cmyk(60.3%, 25%, 0%, 20%)
CIE-LAB	lab(60.68, -7.30, -32.97)
CIE-LCH	lch(60.68, 33.76, 257.52°)
OKLab	oklab(65.76% -0.05 -0.0925)
OKLCH	oklch(65.76% 0.105 241.6)
XYZ	xyz(25.6796, 28.8890, 61.3379)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199CC #CC8451

analogous

#51CCC1 #5199CC #515BCC

triadic

#5199CC #CC5199 #99CC51

tetradic

#5199CC #C151CC #CC8451 #5BCC51

square

#5199CC #C151CC #CC8451 #5BCC51

split-complementary

#5199CC #CC515B #CCC151

monochromatic

#25597E #337AAD #5199CC #80B5DA #B0D0E8

Accessibility & contrast

On white

3.10

#5199CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#5199CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199CC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199CC	#FFFFFF	#000000	##000000
##5199CC	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CE

Deuteranopia (green-blind)

#728DCB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5199cc;
/* rgb */ color: rgb(81, 153, 204);
/* oklch */ color: oklch(65.8% 0.105 241.6);

Tailwind

colors: {
  custom: {
    50: '#8cb6db',
    500: '#5199cc',
    950: '#000000',
  },
}

SCSS

$custom: #5199cc;
$custom-light: #8cb6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5199cc",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 204.878,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.6576,
    "c": 0.10515,
    "h": 241.6
  },
  "luminance": 0.28891
}

Semantic roles & 50–950 ramp

primary

#5199CC

secondary

#D6B8A3

accent

#874ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5199CC

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

Preview Lab → · Contrast checker → · Palette generator →