#539FB0#539FB0

#539FB0 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.0% C 0.079 H 214.1°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#539FB0
RGB	rgb(83, 159, 176)
HSL	hsl(191, 37%, 51%)
HSV	hsv(191, 53%, 69%)
CMYK	cmyk(52.8%, 9.7%, 0%, 31%)
CIE-LAB	lab(61.45, -18.71, -16.05)
CIE-LCH	lch(61.45, 24.65, 220.62°)
OKLab	oklab(66.04% -0.0656 -0.0444)
OKLCH	oklch(66.04% 0.079 214.1)
XYZ	xyz(23.7988, 29.7678, 45.5575)
Luminance	0.2977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FB0 #B06453

analogous

#53B092 #539FB0 #5370B0

triadic

#539FB0 #B0539F #9FB053

tetradic

#539FB0 #9253B0 #B06453 #70B053

square

#539FB0 #9253B0 #B06453 #70B053

split-complementary

#539FB0 #B05370 #B09253

monochromatic

#2B545E #3E7A88 #539FB0 #7DB6C3 #A7CED7

Accessibility & contrast

On white

3.02

#539FB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#539FB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539FB0

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FB0	#FFFFFF	#000000	##000000
##539FB0	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#929BB1

Deuteranopia (green-blind)

#8490B0

Tritanopia (blue-blind)

#0EA6A4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #539fb0;
/* rgb */ color: rgb(83, 159, 176);
/* oklch */ color: oklch(66.0% 0.079 214.1);

Tailwind

colors: {
  custom: {
    50: '#8bbbc7',
    500: '#539fb0',
    950: '#000000',
  },
}

SCSS

$custom: #539fb0;
$custom-light: #8bbbc7;
$custom-dark: #000000;

JSON

{
  "hex": "#539fb0",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 176
  },
  "hsl": {
    "h": 190.968,
    "s": 37.052,
    "l": 50.784
  },
  "oklch": {
    "l": 0.66039,
    "c": 0.07916,
    "h": 214.1
  },
  "luminance": 0.2977
}

Semantic roles & 50–950 ramp

primary

#539FB0

secondary

#C4A29B

accent

#705BCD

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #539FB0

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

Preview Lab → · Contrast checker → · Palette generator →