#539ADB#539ADB

#539ADB is a light, vivid cyan. Relative luminance 0.301; OKLCH L 66.8% C 0.121 H 248.2°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#539ADB
RGB	rgb(83, 154, 219)
HSL	hsl(209, 65%, 59%)
HSV	hsv(209, 62%, 86%)
CMYK	cmyk(62.1%, 29.7%, 0%, 14.1%)
CIE-LAB	lab(61.71, -2.63, -39.73)
CIE-LCH	lch(61.71, 39.81, 266.21°)
OKLab	oklab(66.81% -0.0449 -0.1121)
OKLCH	oklch(66.81% 0.121 248.2)
XYZ	xyz(27.9044, 30.0620, 71.3361)
Luminance	0.3006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539ADB #DB9453

analogous

#53DBD8 #539ADB #5356DB

triadic

#539ADB #DB539A #9ADB53

tetradic

#539ADB #D853DB #DB9453 #56DB53

square

#539ADB #D853DB #DB9453 #56DB53

split-complementary

#539ADB #DB5356 #DBD853

monochromatic

#1F5C95 #2A7CC7 #539ADB #86B8E6 #B8D5F0

Accessibility & contrast

On white

2.99

#539ADB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#539ADB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539ADB

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539ADB	#FFFFFF	#000000	##000000
##539ADB	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9CDE

Deuteranopia (green-blind)

#6B8FDA

Tritanopia (blue-blind)

#00A9B1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #539adb;
/* rgb */ color: rgb(83, 154, 219);
/* oklch */ color: oklch(66.8% 0.121 248.2);

Tailwind

colors: {
  custom: {
    50: '#8fb7e6',
    500: '#539adb',
    950: '#000000',
  },
}

SCSS

$custom: #539adb;
$custom-light: #8fb7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#539adb",
  "rgb": {
    "r": 83,
    "g": 154,
    "b": 219
  },
  "hsl": {
    "h": 208.676,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66806,
    "c": 0.12072,
    "h": 248.2
  },
  "luminance": 0.30065
}

Semantic roles & 50–950 ramp

primary

#539ADB

secondary

#DFC4AA

accent

#903FE8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #539ADB

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

Preview Lab → · Contrast checker → · Palette generator →