#537FB7#537FB7

#537FB7 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.9% C 0.099 H 255.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#537FB7
RGB	rgb(83, 127, 183)
HSL	hsl(214, 41%, 52%)
HSV	hsv(214, 55%, 72%)
CMYK	cmyk(54.6%, 30.6%, 0%, 28.2%)
CIE-LAB	lab(52.33, 1.40, -34.09)
CIE-LCH	lch(52.33, 34.12, 272.35°)
OKLab	oklab(58.9% -0.0257 -0.0959)
OKLCH	oklch(58.9% 0.099 255)
XYZ	xyz(19.7009, 20.4351, 47.6968)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FB7 #B78B53

analogous

#53B1B7 #537FB7 #5953B7

triadic

#537FB7 #B7537F #7FB753

tetradic

#537FB7 #B753B1 #B78B53 #53B759

square

#537FB7 #B753B1 #B78B53 #53B759

split-complementary

#537FB7 #B75953 #B1B753

monochromatic

#2A4465 #3C6190 #537FB7 #7E9FC9 #A9BFDB

Accessibility & contrast

On white

4.13

#537FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#537FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FB7

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FB7	#FFFFFF	#000000	##000000
##537FB7	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6882B9

Deuteranopia (green-blind)

#5C78B6

Tritanopia (blue-blind)

#158C93

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537fb7;
/* rgb */ color: rgb(83, 127, 183);
/* oklch */ color: oklch(58.9% 0.099 255.0);

Tailwind

colors: {
  custom: {
    50: '#8aa3cd',
    500: '#537fb7',
    950: '#000000',
  },
}

SCSS

$custom: #537fb7;
$custom-light: #8aa3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#537fb7",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 183
  },
  "hsl": {
    "h": 213.6,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58898,
    "c": 0.09929,
    "h": 255
  },
  "luminance": 0.20437
}

Semantic roles & 50–950 ramp

primary

#537FB7

secondary

#C9B69D

accent

#9B57D1

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537FB7

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

Preview Lab → · Contrast checker → · Palette generator →