#539BAB#539BAB

#539BAB is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.076 H 213.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#539BAB
RGB	rgb(83, 155, 171)
HSL	hsl(191, 35%, 50%)
HSV	hsv(191, 51%, 67%)
CMYK	cmyk(51.5%, 9.4%, 0%, 32.9%)
CIE-LAB	lab(60.09, -18.03, -15.29)
CIE-LCH	lch(60.09, 23.64, 220.30°)
OKLab	oklab(64.89% -0.0629 -0.0422)
OKLCH	oklch(64.89% 0.076 213.9)
XYZ	xyz(22.6365, 28.2200, 42.7743)
Luminance	0.2822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BAB #AB6353

analogous

#53AB8F #539BAB #536FAB

triadic

#539BAB #AB539B #9BAB53

tetradic

#539BAB #8F53AB #AB6353 #6FAB53

square

#539BAB #8F53AB #AB6353 #6FAB53

split-complementary

#539BAB #AB536F #AB8F53

monochromatic

#2B5059 #3F7682 #539BAB #7CB3BF #A5CBD3

Accessibility & contrast

On white

3.16

#539BAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#539BAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BAB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BAB	#FFFFFF	#000000	##000000
##539BAB	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F97AC

Deuteranopia (green-blind)

#818CAB

Tritanopia (blue-blind)

#1AA1A0

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #539bab;
/* rgb */ color: rgb(83, 155, 171);
/* oklch */ color: oklch(64.9% 0.076 213.9);

Tailwind

colors: {
  custom: {
    50: '#8ab8c4',
    500: '#539bab',
    950: '#000000',
  },
}

SCSS

$custom: #539bab;
$custom-light: #8ab8c4;
$custom-dark: #000000;

JSON

{
  "hex": "#539bab",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 171
  },
  "hsl": {
    "h": 190.909,
    "s": 34.646,
    "l": 49.804
  },
  "oklch": {
    "l": 0.64888,
    "c": 0.07581,
    "h": 213.9
  },
  "luminance": 0.28222
}

Semantic roles & 50–950 ramp

primary

#539BAB

secondary

#C1A099

accent

#715DCB

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1112

muted

#7D8081

Preview Lab

Preview with #539BAB

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

Preview Lab → · Contrast checker → · Palette generator →