#5199DF#5199DF

#5199DF is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.7% C 0.127 H 249.7°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#5199DF
RGB	rgb(81, 153, 223)
HSL	hsl(210, 69%, 60%)
HSV	hsv(210, 64%, 87%)
CMYK	cmyk(63.7%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.53, -1.10, -42.23)
CIE-LCH	lch(61.53, 42.25, 268.51°)
OKLab	oklab(66.71% -0.0442 -0.1194)
OKLCH	oklch(66.71% 0.127 249.7)
XYZ	xyz(28.0989, 29.8567, 74.0798)
Luminance	0.2986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5199DF #DF9751

analogous

#51DFDE #5199DF #5152DF

triadic

#5199DF #DF5199 #99DF51

tetradic

#5199DF #DE51DF #DF9751 #52DF51

square

#5199DF #DE51DF #DF9751 #52DF51

split-complementary

#5199DF #DF5152 #DFDE51

monochromatic

#1C5C99 #267BCD #5199DF #85B7E9 #B8D6F2

Accessibility & contrast

On white

3.01

#5199DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#5199DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5199DF

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5199DF	#FFFFFF	#000000	##000000
##5199DF	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9CE2

Deuteranopia (green-blind)

#678EDE

Tritanopia (blue-blind)

#00A9B2

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #5199df;
/* rgb */ color: rgb(81, 153, 223);
/* oklch */ color: oklch(66.7% 0.127 249.7);

Tailwind

colors: {
  custom: {
    50: '#8fb6e9',
    500: '#5199df',
    950: '#000000',
  },
}

SCSS

$custom: #5199df;
$custom-light: #8fb6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5199df",
  "rgb": {
    "r": 81,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 209.577,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.66706,
    "c": 0.12728,
    "h": 249.7
  },
  "luminance": 0.2986
}

Semantic roles & 50–950 ramp

primary

#5199DF

secondary

#E1C6AA

accent

#933CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5199DF

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

Preview Lab → · Contrast checker → · Palette generator →