#5199DD#5199DD

#5199DD is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.6% C 0.125 H 249.0°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#5199DD
RGB	rgb(81, 153, 221)
HSL	hsl(209, 67%, 59%)
HSV	hsv(209, 63%, 87%)
CMYK	cmyk(63.3%, 30.8%, 0%, 13.3%)
CIE-LAB	lab(61.44, -1.76, -41.27)
CIE-LCH	lch(61.44, 41.30, 267.56°)
OKLab	oklab(66.6% -0.0447 -0.1166)
OKLCH	oklch(66.6% 0.125 249)
XYZ	xyz(27.8309, 29.7495, 72.6681)
Luminance	0.2975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199DD #DD9551

analogous

#51DDDB #5199DD #5153DD

triadic

#5199DD #DD5199 #99DD51

tetradic

#5199DD #DB51DD #DD9551 #53DD51

square

#5199DD #DB51DD #DD9551 #53DD51

split-complementary

#5199DD #DD5153 #DDDB51

monochromatic

#1D5C96 #277BC9 #5199DD #84B7E7 #B7D5F1

Accessibility & contrast

On white

3.02

#5199DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#5199DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199DD

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199DD	#FFFFFF	#000000	##000000
##5199DD	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9CE0

Deuteranopia (green-blind)

#688EDC

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5199dd;
/* rgb */ color: rgb(81, 153, 221);
/* oklch */ color: oklch(66.6% 0.125 249.0);

Tailwind

colors: {
  custom: {
    50: '#8eb6e8',
    500: '#5199dd',
    950: '#000000',
  },
}

SCSS

$custom: #5199dd;
$custom-light: #8eb6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5199dd",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 221
  },
  "hsl": {
    "h": 209.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66602,
    "c": 0.12486,
    "h": 249
  },
  "luminance": 0.29752
}

Semantic roles & 50–950 ramp

primary

#5199DD

secondary

#E0C4AA

accent

#913EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5199DD

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

Preview Lab → · Contrast checker → · Palette generator →