#5198DF#5198DF

#5198DF is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.5% C 0.128 H 250.3°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#5198DF
RGB	rgb(81, 152, 223)
HSL	hsl(210, 69%, 60%)
HSV	hsv(210, 64%, 87%)
CMYK	cmyk(63.7%, 31.8%, 0%, 12.5%)
CIE-LAB	lab(61.25, -0.52, -42.68)
CIE-LCH	lch(61.25, 42.68, 269.30°)
OKLab	oklab(66.48% -0.0431 -0.1207)
OKLCH	oklch(66.48% 0.128 250.3)
XYZ	xyz(27.9360, 29.5308, 74.0255)
Luminance	0.2953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5198DF #DF9851

analogous

#51DFDF #5198DF #5151DF

triadic

#5198DF #DF5198 #98DF51

tetradic

#5198DF #DF51DF #DF9851 #51DF51

square

#5198DF #DF51DF #DF9851 #51DF51

split-complementary

#5198DF #DF5151 #DFDF51

monochromatic

#1C5B99 #2679CD #5198DF #85B7E9 #B8D5F2

Accessibility & contrast

On white

3.04

#5198DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#5198DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5198DF

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5198DF	#FFFFFF	#000000	##000000
##5198DF	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)

#799BE2

Deuteranopia (green-blind)

#668EDE

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5198df;
/* rgb */ color: rgb(81, 152, 223);
/* oklch */ color: oklch(66.5% 0.128 250.3);

Tailwind

colors: {
  custom: {
    50: '#8fb6e9',
    500: '#5198df',
    950: '#000000',
  },
}

SCSS

$custom: #5198df;
$custom-light: #8fb6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5198df",
  "rgb": {
    "r": 81,
    "g": 152,
    "b": 223
  },
  "hsl": {
    "h": 210,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.66483,
    "c": 0.12816,
    "h": 250.3
  },
  "luminance": 0.29534
}

Semantic roles & 50–950 ramp

primary

#5198DF

secondary

#E1C6AA

accent

#943CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5198DF

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

Preview Lab → · Contrast checker → · Palette generator →