#539BCB#539BCB

#539BCB is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.102 H 239.9°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#539BCB
RGB	rgb(83, 155, 203)
HSL	hsl(204, 54%, 56%)
HSV	hsv(204, 59%, 80%)
CMYK	cmyk(59.1%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(61.30, -8.35, -31.44)
CIE-LCH	lch(61.30, 32.53, 255.13°)
OKLab	oklab(66.26% -0.051 -0.0881)
OKLCH	oklch(66.26% 0.102 239.9)
XYZ	xyz(26.0641, 29.5911, 60.8264)
Luminance	0.2959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BCB #CB8353

analogous

#53CBBF #539BCB #535FCB

triadic

#539BCB #CB539B #9BCB53

tetradic

#539BCB #BF53CB #CB8353 #5FCB53

square

#539BCB #BF53CB #CB8353 #5FCB53

split-complementary

#539BCB #CB535F #CBBF53

monochromatic

#265B7E #347CAD #539BCB #82B6D9 #B1D2E7

Accessibility & contrast

On white

3.04

#539BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#539BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BCB

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BCB	#FFFFFF	#000000	##000000
##539BCB	1.00	3.04	6.92	6.92
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BCD

Deuteranopia (green-blind)

#758FCA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #539bcb;
/* rgb */ color: rgb(83, 155, 203);
/* oklch */ color: oklch(66.3% 0.102 239.9);

Tailwind

colors: {
  custom: {
    50: '#8db8db',
    500: '#539bcb',
    950: '#000000',
  },
}

SCSS

$custom: #539bcb;
$custom-light: #8db8db;
$custom-dark: #000000;

JSON

{
  "hex": "#539bcb",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 204,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.66255,
    "c": 0.10181,
    "h": 239.9
  },
  "luminance": 0.29593
}

Semantic roles & 50–950 ramp

primary

#539BCB

secondary

#D6B8A4

accent

#854BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #539BCB

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

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