#5199D9#5199D9

#5199D9 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.4% C 0.120 H 247.5°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#5199D9
RGB	rgb(81, 153, 217)
HSL	hsl(208, 64%, 58%)
HSV	hsv(208, 63%, 85%)
CMYK	cmyk(62.7%, 29.5%, 0%, 14.9%)
CIE-LAB	lab(61.25, -3.08, -39.33)
CIE-LCH	lch(61.25, 39.45, 265.52°)
OKLab	oklab(66.4% -0.0459 -0.1109)
OKLCH	oklch(66.4% 0.12 247.5)
XYZ	xyz(27.3043, 29.5389, 69.8948)
Luminance	0.2954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199D9 #D99151

analogous

#51D9D5 #5199D9 #5155D9

triadic

#5199D9 #D95199 #99D951

tetradic

#5199D9 #D551D9 #D99151 #55D951

square

#5199D9 #D551D9 #D99151 #55D951

split-complementary

#5199D9 #D95155 #D9D551

monochromatic

#1F5B90 #2A7BC2 #5199D9 #83B6E4 #B5D4EF

Accessibility & contrast

On white

3.04

#5199D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#5199D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199D9

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199D9	#FFFFFF	#000000	##000000
##5199D9	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9BDC

Deuteranopia (green-blind)

#6B8ED8

Tritanopia (blue-blind)

#00A8B0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5199d9;
/* rgb */ color: rgb(81, 153, 217);
/* oklch */ color: oklch(66.4% 0.120 247.5);

Tailwind

colors: {
  custom: {
    50: '#8eb6e5',
    500: '#5199d9',
    950: '#000000',
  },
}

SCSS

$custom: #5199d9;
$custom-light: #8eb6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5199d9",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 217
  },
  "hsl": {
    "h": 208.235,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.66398,
    "c": 0.12006,
    "h": 247.5
  },
  "luminance": 0.29542
}

Semantic roles & 50–950 ramp

primary

#5199D9

secondary

#DEC1A8

accent

#8F41E7

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #5199D9

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

Preview Lab → · Contrast checker → · Palette generator →