#539FDB#539FDB

#539FDB is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.9% C 0.117 H 244.6°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#539FDB
RGB	rgb(83, 159, 219)
HSL	hsl(206, 65%, 59%)
HSV	hsv(206, 62%, 86%)
CMYK	cmyk(62.1%, 27.4%, 0%, 14.1%)
CIE-LAB	lab(63.13, -5.47, -37.50)
CIE-LCH	lch(63.13, 37.89, 261.71°)
OKLab	oklab(67.93% -0.0501 -0.1055)
OKLCH	oklch(67.93% 0.117 244.6)
XYZ	xyz(28.7468, 31.7469, 71.6169)
Luminance	0.3175 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FDB #DB8F53

analogous

#53DBD3 #539FDB #535BDB

triadic

#539FDB #DB539F #9FDB53

tetradic

#539FDB #D353DB #DB8F53 #5BDB53

square

#539FDB #D353DB #DB8F53 #5BDB53

split-complementary

#539FDB #DB535B #DBD353

monochromatic

#1F6195 #2A82C7 #539FDB #86BBE6 #B8D7F0

Accessibility & contrast

On white

2.86

#539FDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#539FDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FDB

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FDB	#FFFFFF	#000000	##000000
##539FDB	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A0DE

Deuteranopia (green-blind)

#7293DA

Tritanopia (blue-blind)

#00ADB4

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539fdb;
/* rgb */ color: rgb(83, 159, 219);
/* oklch */ color: oklch(67.9% 0.117 244.6);

Tailwind

colors: {
  custom: {
    50: '#8fbbe6',
    500: '#539fdb',
    950: '#000000',
  },
}

SCSS

$custom: #539fdb;
$custom-light: #8fbbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#539fdb",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 219
  },
  "hsl": {
    "h": 206.471,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.6793,
    "c": 0.11685,
    "h": 244.6
  },
  "luminance": 0.3175
}

Semantic roles & 50–950 ramp

primary

#539FDB

secondary

#DFC2AA

accent

#8A3FE8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #539FDB

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

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