#539CE0#539CE0

#539CE0 is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.5% C 0.125 H 248.7°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#539CE0
RGB	rgb(83, 156, 224)
HSL	hsl(209, 69%, 60%)
HSV	hsv(209, 63%, 88%)
CMYK	cmyk(62.9%, 30.4%, 0%, 12.2%)
CIE-LAB	lab(62.50, -2.14, -41.25)
CIE-LCH	lch(62.50, 41.31, 267.04°)
OKLab	oklab(67.51% -0.0455 -0.1165)
OKLCH	oklch(67.51% 0.125 248.7)
XYZ	xyz(28.9053, 30.9949, 74.9659)
Luminance	0.3100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CE0 #E09753

analogous

#53E0DD #539CE0 #5356E0

triadic

#539CE0 #E0539C #9CE053

tetradic

#539CE0 #DD53E0 #E09753 #56E053

square

#539CE0 #DD53E0 #E09753 #56E053

split-complementary

#539CE0 #E05356 #E0DD53

monochromatic

#1C5F9C #267ED0 #539CE0 #87BAE9 #BBD8F3

Accessibility & contrast

On white

2.92

#539CE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#539CE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539CE0

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CE0	#FFFFFF	#000000	##000000
##539CE0	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9FE3

Deuteranopia (green-blind)

#6B91DF

Tritanopia (blue-blind)

#00ACB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #539ce0;
/* rgb */ color: rgb(83, 156, 224);
/* oklch */ color: oklch(67.5% 0.125 248.7);

Tailwind

colors: {
  custom: {
    50: '#90b8ea',
    500: '#539ce0',
    950: '#000000',
  },
}

SCSS

$custom: #539ce0;
$custom-light: #90b8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#539ce0",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 224
  },
  "hsl": {
    "h": 208.936,
    "s": 69.458,
    "l": 60.196
  },
  "oklch": {
    "l": 0.67507,
    "c": 0.12505,
    "h": 248.7
  },
  "luminance": 0.30998
}

Semantic roles & 50–950 ramp

primary

#539CE0

secondary

#E2C6AC

accent

#6F14D1

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539CE0

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

Preview Lab → · Contrast checker → · Palette generator →