#539DDB#539DDB

#539DDB is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.5% C 0.118 H 246.1°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#539DDB
RGB	rgb(83, 157, 219)
HSL	hsl(207, 65%, 59%)
HSV	hsv(207, 62%, 86%)
CMYK	cmyk(62.1%, 28.3%, 0%, 14.1%)
CIE-LAB	lab(62.56, -4.34, -38.39)
CIE-LCH	lch(62.56, 38.63, 263.55°)
OKLab	oklab(67.48% -0.048 -0.1081)
OKLCH	oklch(67.48% 0.118 246.1)
XYZ	xyz(28.4057, 31.0647, 71.5032)
Luminance	0.3107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539DDB #DB9153

analogous

#53DBD5 #539DDB #5359DB

triadic

#539DDB #DB539D #9DDB53

tetradic

#539DDB #D553DB #DB9153 #59DB53

square

#539DDB #D553DB #DB9153 #59DB53

split-complementary

#539DDB #DB5359 #DBD553

monochromatic

#1F5F95 #2A7FC7 #539DDB #86BAE6 #B8D7F0

Accessibility & contrast

On white

2.91

#539DDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#539DDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539DDB

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539DDB	#FFFFFF	#000000	##000000
##539DDB	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)

#829FDE

Deuteranopia (green-blind)

#6F91DA

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #539ddb;
/* rgb */ color: rgb(83, 157, 219);
/* oklch */ color: oklch(67.5% 0.118 246.1);

Tailwind

colors: {
  custom: {
    50: '#8fb9e6',
    500: '#539ddb',
    950: '#000000',
  },
}

SCSS

$custom: #539ddb;
$custom-light: #8fb9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#539ddb",
  "rgb": {
    "r": 83,
    "g": 157,
    "b": 219
  },
  "hsl": {
    "h": 207.353,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67479,
    "c": 0.11834,
    "h": 246.1
  },
  "luminance": 0.31067
}

Semantic roles & 50–950 ramp

primary

#539DDB

secondary

#DFC3AA

accent

#8C3FE8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #539DDB

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

Preview Lab → · Contrast checker → · Palette generator →