#539BB2#539BB2

#539BB2 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.080 H 221.0°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#539BB2
RGB	rgb(83, 155, 178)
HSL	hsl(195, 38%, 51%)
HSV	hsv(195, 53%, 70%)
CMYK	cmyk(53.4%, 12.9%, 0%, 30.2%)
CIE-LAB	lab(60.33, -16.00, -18.88)
CIE-LCH	lch(60.33, 24.74, 229.72°)
OKLab	oklab(65.17% -0.0601 -0.0523)
OKLCH	oklch(65.17% 0.08 221)
XYZ	xyz(23.3214, 28.4940, 46.3817)
Luminance	0.2850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BB2 #B26A53

analogous

#53B299 #539BB2 #536BB2

triadic

#539BB2 #B2539B #9BB253

tetradic

#539BB2 #9953B2 #B26A53 #6BB253

square

#539BB2 #9953B2 #B26A53 #6BB253

split-complementary

#539BB2 #B2536B #B29953

monochromatic

#2B5360 #3E788A #539BB2 #7DB4C5 #A8CCD8

Accessibility & contrast

On white

3.13

#539BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#539BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #539BB2

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BB2	#FFFFFF	#000000	##000000
##539BB2	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B3

Deuteranopia (green-blind)

#7F8DB2

Tritanopia (blue-blind)

#0DA3A2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #539bb2;
/* rgb */ color: rgb(83, 155, 178);
/* oklch */ color: oklch(65.2% 0.080 221.0);

Tailwind

colors: {
  custom: {
    50: '#8ab8c9',
    500: '#539bb2',
    950: '#000000',
  },
}

SCSS

$custom: #539bb2;
$custom-light: #8ab8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#539bb2",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 178
  },
  "hsl": {
    "h": 194.526,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65166,
    "c": 0.0797,
    "h": 221
  },
  "luminance": 0.28496
}

Semantic roles & 50–950 ramp

primary

#539BB2

secondary

#C5A69B

accent

#765ACE

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #539BB2

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

Preview Lab → · Contrast checker → · Palette generator →