#539BD1#539BD1

#539BD1 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.108 H 243.1°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#539BD1
RGB	rgb(83, 155, 209)
HSL	hsl(206, 58%, 57%)
HSV	hsv(206, 60%, 82%)
CMYK	cmyk(60.3%, 25.8%, 0%, 18%)
CIE-LAB	lab(61.55, -6.44, -34.40)
CIE-LCH	lch(61.55, 35.00, 259.40°)
OKLab	oklab(66.54% -0.049 -0.0966)
OKLCH	oklch(66.54% 0.108 243.1)
XYZ	xyz(26.7930, 29.8826, 64.6652)
Luminance	0.2989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BD1 #D18953

analogous

#53D1C8 #539BD1 #535CD1

triadic

#539BD1 #D1539B #9BD153

tetradic

#539BD1 #C853D1 #D18953 #5CD153

square

#539BD1 #C853D1 #D18953 #5CD153

split-complementary

#539BD1 #D1535C #D1C853

monochromatic

#245C86 #317DB6 #539BD1 #83B7DE #B4D3EB

Accessibility & contrast

On white

3.01

#539BD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#539BD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BD1

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BD1	#FFFFFF	#000000	##000000
##539BD1	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839CD3

Deuteranopia (green-blind)

#728FD0

Tritanopia (blue-blind)

#00A8AE

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #539bd1;
/* rgb */ color: rgb(83, 155, 209);
/* oklch */ color: oklch(66.5% 0.108 243.1);

Tailwind

colors: {
  custom: {
    50: '#8eb8df',
    500: '#539bd1',
    950: '#000000',
  },
}

SCSS

$custom: #539bd1;
$custom-light: #8eb8df;
$custom-dark: #000000;

JSON

{
  "hex": "#539bd1",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 209
  },
  "hsl": {
    "h": 205.714,
    "s": 57.798,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66539,
    "c": 0.10836,
    "h": 243.1
  },
  "luminance": 0.29885
}

Semantic roles & 50–950 ramp

primary

#539BD1

secondary

#D9BCA6

accent

#8947E1

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #539BD1

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

Preview Lab → · Contrast checker → · Palette generator →