#537EB7#537EB7

#537EB7 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.100 H 255.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#537EB7
RGB	rgb(83, 126, 183)
HSL	hsl(214, 41%, 52%)
HSV	hsv(214, 55%, 72%)
CMYK	cmyk(54.6%, 31.1%, 0%, 28.2%)
CIE-LAB	lab(52.04, 1.99, -34.54)
CIE-LCH	lch(52.04, 34.60, 273.30°)
OKLab	oklab(58.67% -0.0245 -0.0972)
OKLCH	oklch(58.67% 0.1 255.9)
XYZ	xyz(19.5724, 20.1781, 47.6539)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EB7 #B78C53

analogous

#53B0B7 #537EB7 #5A53B7

triadic

#537EB7 #B7537E #7EB753

tetradic

#537EB7 #B753B0 #B78C53 #53B75A

square

#537EB7 #B753B0 #B78C53 #53B75A

split-complementary

#537EB7 #B75A53 #B0B753

monochromatic

#2A4465 #3C6190 #537EB7 #7E9EC9 #A9BFDB

Accessibility & contrast

On white

4.17

#537EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#537EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EB7

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EB7	#FFFFFF	#000000	##000000
##537EB7	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6781B9

Deuteranopia (green-blind)

#5A78B6

Tritanopia (blue-blind)

#168B92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537eb7;
/* rgb */ color: rgb(83, 126, 183);
/* oklch */ color: oklch(58.7% 0.100 255.9);

Tailwind

colors: {
  custom: {
    50: '#8aa3cd',
    500: '#537eb7',
    950: '#000000',
  },
}

SCSS

$custom: #537eb7;
$custom-light: #8aa3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#537eb7",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 183
  },
  "hsl": {
    "h": 214.2,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58673,
    "c": 0.10026,
    "h": 255.9
  },
  "luminance": 0.2018
}

Semantic roles & 50–950 ramp

primary

#537EB7

secondary

#C9B69D

accent

#9C57D1

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EB7

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

Preview Lab → · Contrast checker → · Palette generator →