#537DB7#537DB7

#537DB7 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.4% C 0.101 H 256.7°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#537DB7
RGB	rgb(83, 125, 183)
HSL	hsl(215, 41%, 52%)
HSV	hsv(215, 55%, 72%)
CMYK	cmyk(54.6%, 31.7%, 0%, 28.2%)
CIE-LAB	lab(51.75, 2.59, -34.99)
CIE-LCH	lch(51.75, 35.09, 274.23°)
OKLab	oklab(58.45% -0.0233 -0.0985)
OKLCH	oklch(58.45% 0.101 256.7)
XYZ	xyz(19.4452, 19.9236, 47.6115)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DB7 #B78D53

analogous

#53AFB7 #537DB7 #5B53B7

triadic

#537DB7 #B7537D #7DB753

tetradic

#537DB7 #B753AF #B78D53 #53B75B

square

#537DB7 #B753AF #B78D53 #53B75B

split-complementary

#537DB7 #B75B53 #AFB753

monochromatic

#2A4365 #3C6090 #537DB7 #7E9EC9 #A9BEDB

Accessibility & contrast

On white

4.21

#537DB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#537DB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DB7

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DB7	#FFFFFF	#000000	##000000
##537DB7	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6681B9

Deuteranopia (green-blind)

#5977B6

Tritanopia (blue-blind)

#168A92

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537db7;
/* rgb */ color: rgb(83, 125, 183);
/* oklch */ color: oklch(58.4% 0.101 256.7);

Tailwind

colors: {
  custom: {
    50: '#8aa2cd',
    500: '#537db7',
    950: '#000000',
  },
}

SCSS

$custom: #537db7;
$custom-light: #8aa2cd;
$custom-dark: #000000;

JSON

{
  "hex": "#537db7",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 183
  },
  "hsl": {
    "h": 214.8,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58449,
    "c": 0.10125,
    "h": 256.7
  },
  "luminance": 0.19925
}

Semantic roles & 50–950 ramp

primary

#537DB7

secondary

#C9B69D

accent

#9E57D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537DB7

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

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