#539BC8#539BC8

#539BC8 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.099 H 238.2°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#539BC8
RGB	rgb(83, 155, 200)
HSL	hsl(203, 52%, 55%)
HSV	hsv(203, 59%, 78%)
CMYK	cmyk(58.5%, 22.5%, 0%, 21.6%)
CIE-LAB	lab(61.18, -9.29, -29.95)
CIE-LCH	lch(61.18, 31.36, 252.77°)
OKLab	oklab(66.12% -0.052 -0.0838)
OKLCH	oklch(66.12% 0.099 238.2)
XYZ	xyz(25.7100, 29.4494, 58.9618)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BC8 #C88053

analogous

#53C8BA #539BC8 #5360C8

triadic

#539BC8 #C8539B #9BC853

tetradic

#539BC8 #BA53C8 #C88053 #60C853

square

#539BC8 #BA53C8 #C88053 #60C853

split-complementary

#539BC8 #C85360 #C8BA53

monochromatic

#275A7A #367CA8 #539BC8 #81B6D7 #B0D1E6

Accessibility & contrast

On white

3.05

#539BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#539BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BC8

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BC8	#FFFFFF	#000000	##000000
##539BC8	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869ACA

Deuteranopia (green-blind)

#768EC7

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #539bc8;
/* rgb */ color: rgb(83, 155, 200);
/* oklch */ color: oklch(66.1% 0.099 238.2);

Tailwind

colors: {
  custom: {
    50: '#8db8d9',
    500: '#539bc8',
    950: '#000000',
  },
}

SCSS

$custom: #539bc8;
$custom-light: #8db8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#539bc8",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 200
  },
  "hsl": {
    "h": 203.077,
    "s": 51.542,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66117,
    "c": 0.09866,
    "h": 238.2
  },
  "luminance": 0.29452
}

Semantic roles & 50–950 ramp

primary

#539BC8

secondary

#D4B6A3

accent

#834DDB

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #539BC8

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

Preview Lab → · Contrast checker → · Palette generator →