#539CC9#539CC9

#539CC9 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.099 H 237.8°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#539CC9
RGB	rgb(83, 156, 201)
HSL	hsl(203, 52%, 56%)
HSV	hsv(203, 59%, 79%)
CMYK	cmyk(58.7%, 22.4%, 0%, 21.2%)
CIE-LAB	lab(61.51, -9.53, -30.00)
CIE-LCH	lch(61.51, 31.48, 252.37°)
OKLab	oklab(66.39% -0.0528 -0.084)
OKLCH	oklch(66.39% 0.099 237.8)
XYZ	xyz(25.9944, 29.8306, 59.6350)
Luminance	0.2983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CC9 #C98053

analogous

#53C9BB #539CC9 #5361C9

triadic

#539CC9 #C9539C #9CC953

tetradic

#539CC9 #BB53C9 #C98053 #61C953

square

#539CC9 #BB53C9 #C98053 #61C953

split-complementary

#539CC9 #C95361 #C9BB53

monochromatic

#275B7B #357DAA #539CC9 #82B7D8 #B0D2E6

Accessibility & contrast

On white

3.01

#539CC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#539CC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539CC9

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CC9	#FFFFFF	#000000	##000000
##539CC9	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879BCB

Deuteranopia (green-blind)

#778FC8

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #539cc9;
/* rgb */ color: rgb(83, 156, 201);
/* oklch */ color: oklch(66.4% 0.099 237.8);

Tailwind

colors: {
  custom: {
    50: '#8db9d9',
    500: '#539cc9',
    950: '#000000',
  },
}

SCSS

$custom: #539cc9;
$custom-light: #8db9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#539cc9",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 201
  },
  "hsl": {
    "h": 202.881,
    "s": 52.212,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66393,
    "c": 0.09917,
    "h": 237.8
  },
  "luminance": 0.29833
}

Semantic roles & 50–950 ramp

primary

#539CC9

secondary

#D4B6A3

accent

#834CDC

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #539CC9

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

Preview Lab → · Contrast checker → · Palette generator →