#539BE7#539BE7

#539BE7 is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.7% C 0.134 H 251.6°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#539BE7
RGB	rgb(83, 155, 231)
HSL	hsl(211, 76%, 62%)
HSV	hsv(211, 64%, 91%)
CMYK	cmyk(64.1%, 32.9%, 0%, 9.4%)
CIE-LAB	lab(62.55, 0.75, -45.05)
CIE-LCH	lch(62.55, 45.06, 270.95°)
OKLab	oklab(67.65% -0.0425 -0.1275)
OKLCH	oklch(67.65% 0.134 251.6)
XYZ	xyz(29.7071, 31.0483, 80.0132)
Luminance	0.3105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BE7 #E79F53

analogous

#53E5E7 #539BE7 #5553E7

triadic

#539BE7 #E7539B #9BE753

tetradic

#539BE7 #E753E5 #E79F53 #53E755

square

#539BE7 #E753E5 #E79F53 #53E755

split-complementary

#539BE7 #E75553 #E5E753

monochromatic

#175EA8 #1F7CDE #539BE7 #89BAEE #BED9F6

Accessibility & contrast

On white

2.91

#539BE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#539BE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BE7

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BE7	#FFFFFF	#000000	##000000
##539BE7	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9FEA

Deuteranopia (green-blind)

#6691E5

Tritanopia (blue-blind)

#00ADB6

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #539be7;
/* rgb */ color: rgb(83, 155, 231);
/* oklch */ color: oklch(67.7% 0.134 251.6);

Tailwind

colors: {
  custom: {
    50: '#91b8ef',
    500: '#539be7',
    950: '#000000',
  },
}

SCSS

$custom: #539be7;
$custom-light: #91b8ef;
$custom-dark: #000000;

JSON

{
  "hex": "#539be7",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 231
  },
  "hsl": {
    "h": 210.811,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6765,
    "c": 0.13445,
    "h": 251.6
  },
  "luminance": 0.31051
}

Semantic roles & 50–950 ramp

primary

#539BE7

secondary

#E6CCAF

accent

#750ED8

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539BE7

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

Preview Lab → · Contrast checker → · Palette generator →