#537AD2#537AD2

#537AD2 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.3% C 0.142 H 264.5°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#537AD2
RGB	rgb(83, 122, 210)
HSL	hsl(222, 59%, 57%)
HSV	hsv(222, 60%, 82%)
CMYK	cmyk(60.5%, 41.9%, 0%, 17.6%)
CIE-LAB	lab(52.30, 13.33, -49.55)
CIE-LCH	lch(52.30, 51.31, 285.06°)
OKLab	oklab(59.33% -0.0136 -0.1411)
OKLCH	oklch(59.33% 0.142 264.5)
XYZ	xyz(22.1557, 20.4093, 63.7321)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537AD2 #D2AB53

analogous

#53B9D2 #537AD2 #6C53D2

triadic

#537AD2 #D2537A #7AD253

tetradic

#537AD2 #D253B9 #D2AB53 #53D26C

square

#537AD2 #D253B9 #D2AB53 #53D26C

split-complementary

#537AD2 #D26C53 #B9D253

monochromatic

#234287 #305AB8 #537AD2 #84A0DF #B4C5EB

Accessibility & contrast

On white

4.13

#537AD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#537AD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537AD2

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537AD2	#FFFFFF	#000000	##000000
##537AD2	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5383D5

Deuteranopia (green-blind)

#4177D0

Tritanopia (blue-blind)

#008E9C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ad2;
/* rgb */ color: rgb(83, 122, 210);
/* oklch */ color: oklch(59.3% 0.142 264.5);

Tailwind

colors: {
  custom: {
    50: '#8ea0e0',
    500: '#537ad2',
    950: '#000000',
  },
}

SCSS

$custom: #537ad2;
$custom-light: #8ea0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#537ad2",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 210
  },
  "hsl": {
    "h": 221.575,
    "s": 58.525,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59325,
    "c": 0.14172,
    "h": 264.5
  },
  "luminance": 0.20411
}

Semantic roles & 50–950 ramp

primary

#537AD2

secondary

#DACAA7

accent

#B246E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #537AD2

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

Preview Lab → · Contrast checker → · Palette generator →