#539BB3#539BB3

#539BB3 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.080 H 222.0°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#539BB3
RGB	rgb(83, 155, 179)
HSL	hsl(195, 39%, 51%)
HSV	hsv(195, 54%, 70%)
CMYK	cmyk(53.6%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(60.37, -15.70, -19.39)
CIE-LCH	lch(60.37, 24.95, 231.00°)
OKLab	oklab(65.21% -0.0597 -0.0537)
OKLCH	oklch(65.21% 0.08 222)
XYZ	xyz(23.4222, 28.5343, 46.9124)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BB3 #B36B53

analogous

#53B39B #539BB3 #536BB3

triadic

#539BB3 #B3539B #9BB353

tetradic

#539BB3 #9B53B3 #B36B53 #6BB353

square

#539BB3 #9B53B3 #B36B53 #6BB353

split-complementary

#539BB3 #B3536B #B39B53

monochromatic

#2B5361 #3E788B #539BB3 #7DB4C6 #A8CCD9

Accessibility & contrast

On white

3.13

#539BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#539BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BB3

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BB3	#FFFFFF	#000000	##000000
##539BB3	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B4

Deuteranopia (green-blind)

#7F8DB3

Tritanopia (blue-blind)

#09A3A3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #539bb3;
/* rgb */ color: rgb(83, 155, 179);
/* oklch */ color: oklch(65.2% 0.080 222.0);

Tailwind

colors: {
  custom: {
    50: '#8bb8c9',
    500: '#539bb3',
    950: '#000000',
  },
}

SCSS

$custom: #539bb3;
$custom-light: #8bb8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#539bb3",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 195,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65207,
    "c": 0.08036,
    "h": 222
  },
  "luminance": 0.28536
}

Semantic roles & 50–950 ramp

primary

#539BB3

secondary

#C6A69C

accent

#7759CF

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #539BB3

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

Preview Lab → · Contrast checker → · Palette generator →