#5197DB#5197DB

#5197DB is a light, vivid cyan. Relative luminance 0.290; OKLCH L 66.1% C 0.124 H 249.6°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#5197DB
RGB	rgb(81, 151, 219)
HSL	hsl(210, 66%, 59%)
HSV	hsv(210, 63%, 86%)
CMYK	cmyk(63%, 31.1%, 0%, 14.1%)
CIE-LAB	lab(60.78, -1.27, -41.19)
CIE-LCH	lch(60.78, 41.21, 268.23°)
OKLab	oklab(66.05% -0.0432 -0.1164)
OKLCH	oklch(66.05% 0.124 249.6)
XYZ	xyz(27.2414, 28.9944, 71.1649)
Luminance	0.2900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5197DB #DB9551

analogous

#51DBDA #5197DB #5152DB

triadic

#5197DB #DB5197 #97DB51

tetradic

#5197DB #DA51DB #DB9551 #52DB51

square

#5197DB #DA51DB #DB9551 #52DB51

split-complementary

#5197DB #DB5152 #DBDA51

monochromatic

#1E5A93 #2979C6 #5197DB #84B5E5 #B6D4F0

Accessibility & contrast

On white

3.09

#5197DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#5197DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5197DB

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5197DB	#FFFFFF	#000000	##000000
##5197DB	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9ADE

Deuteranopia (green-blind)

#678DDA

Tritanopia (blue-blind)

#00A7AF

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5197db;
/* rgb */ color: rgb(81, 151, 219);
/* oklch */ color: oklch(66.1% 0.124 249.6);

Tailwind

colors: {
  custom: {
    50: '#8eb5e6',
    500: '#5197db',
    950: '#000000',
  },
}

SCSS

$custom: #5197db;
$custom-light: #8eb5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5197db",
  "rgb": {
    "r": 81,
    "g": 151,
    "b": 219
  },
  "hsl": {
    "h": 209.565,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.66052,
    "c": 0.12415,
    "h": 249.6
  },
  "luminance": 0.28997
}

Semantic roles & 50–950 ramp

primary

#5197DB

secondary

#DFC4A9

accent

#933FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5197DB

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

Preview Lab → · Contrast checker → · Palette generator →