#539CDB#539CDB

#539CDB is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.3% C 0.119 H 246.8°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#539CDB
RGB	rgb(83, 156, 219)
HSL	hsl(208, 65%, 59%)
HSV	hsv(208, 62%, 86%)
CMYK	cmyk(62.1%, 28.8%, 0%, 14.1%)
CIE-LAB	lab(62.28, -3.77, -38.83)
CIE-LCH	lch(62.28, 39.02, 264.45°)
OKLab	oklab(67.25% -0.047 -0.1094)
OKLCH	oklch(67.25% 0.119 246.8)
XYZ	xyz(28.2372, 30.7277, 71.4470)
Luminance	0.3073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539CDB #DB9253

analogous

#53DBD6 #539CDB #5358DB

triadic

#539CDB #DB539C #9CDB53

tetradic

#539CDB #D653DB #DB9253 #58DB53

square

#539CDB #D653DB #DB9253 #58DB53

split-complementary

#539CDB #DB5358 #DBD653

monochromatic

#1F5E95 #2A7EC7 #539CDB #86B9E6 #B8D6F0

Accessibility & contrast

On white

2.94

#539CDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#539CDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539CDB

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539CDB	#FFFFFF	#000000	##000000
##539CDB	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819EDE

Deuteranopia (green-blind)

#6E91DA

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #539cdb;
/* rgb */ color: rgb(83, 156, 219);
/* oklch */ color: oklch(67.3% 0.119 246.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#539cdb",
  "rgb": {
    "r": 83,
    "g": 156,
    "b": 219
  },
  "hsl": {
    "h": 207.794,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67254,
    "c": 0.11911,
    "h": 246.8
  },
  "luminance": 0.3073
}

Semantic roles & 50–950 ramp

primary

#539CDB

secondary

#DFC3AA

accent

#8E3FE8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #539CDB

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

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