#539BCF#539BCF

#539BCF is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.106 H 242.1°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#539BCF
RGB	rgb(83, 155, 207)
HSL	hsl(205, 56%, 57%)
HSV	hsv(205, 60%, 81%)
CMYK	cmyk(59.9%, 25.1%, 0%, 18.8%)
CIE-LAB	lab(61.47, -7.08, -33.42)
CIE-LCH	lch(61.47, 34.16, 258.04°)
OKLab	oklab(66.44% -0.0497 -0.0938)
OKLCH	oklch(66.44% 0.106 242.1)
XYZ	xyz(26.5469, 29.7842, 63.3693)
Luminance	0.2979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BCF #CF8753

analogous

#53CFC5 #539BCF #535DCF

triadic

#539BCF #CF539B #9BCF53

tetradic

#539BCF #C553CF #CF8753 #5DCF53

square

#539BCF #C553CF #CF8753 #5DCF53

split-complementary

#539BCF #CF535D #CFC553

monochromatic

#255B83 #327DB3 #539BCF #83B7DC #B3D3EA

Accessibility & contrast

On white

3.02

#539BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#539BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BCF

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BCF	#FFFFFF	#000000	##000000
##539BCF	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849BD1

Deuteranopia (green-blind)

#738FCE

Tritanopia (blue-blind)

#00A8AD

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #539bcf;
/* rgb */ color: rgb(83, 155, 207);
/* oklch */ color: oklch(66.4% 0.106 242.1);

Tailwind

colors: {
  custom: {
    50: '#8eb8de',
    500: '#539bcf',
    950: '#000000',
  },
}

SCSS

$custom: #539bcf;
$custom-light: #8eb8de;
$custom-dark: #000000;

JSON

{
  "hex": "#539bcf",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 207
  },
  "hsl": {
    "h": 205.161,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.66443,
    "c": 0.10614,
    "h": 242.1
  },
  "luminance": 0.29787
}

Semantic roles & 50–950 ramp

primary

#539BCF

secondary

#D8BBA6

accent

#8848E0

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #539BCF

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

Preview Lab → · Contrast checker → · Palette generator →