#537BE2#537BE2

#537BE2 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.5% C 0.162 H 265.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#537BE2
RGB	rgb(83, 123, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 63%, 89%)
CMYK	cmyk(63.3%, 45.6%, 0%, 11.4%)
CIE-LAB	lab(53.49, 18.15, -56.67)
CIE-LCH	lch(53.49, 59.51, 287.76°)
OKLab	oklab(60.54% -0.0119 -0.162)
OKLCH	oklch(60.54% 0.162 265.8)
XYZ	xyz(24.3730, 21.4937, 74.8010)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BE2 #E2BA53

analogous

#53C2E2 #537BE2 #7253E2

triadic

#537BE2 #E2537B #7BE253

tetradic

#537BE2 #E253C2 #E2BA53 #53E272

square

#537BE2 #E253C2 #E2BA53 #53E272

split-complementary

#537BE2 #E27253 #C2E253

monochromatic

#1B40A0 #2455D4 #537BE2 #87A3EB #BCCBF4

Accessibility & contrast

On white

3.96

#537BE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#537BE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BE2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BE2	#FFFFFF	#000000	##000000
##537BE2	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4987E6

Deuteranopia (green-blind)

#2F7AE0

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537be2;
/* rgb */ color: rgb(83, 123, 226);
/* oklch */ color: oklch(60.5% 0.162 265.8);

Tailwind

colors: {
  custom: {
    50: '#90a0ec',
    500: '#537be2',
    950: '#000000',
  },
}

SCSS

$custom: #537be2;
$custom-light: #90a0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#537be2",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 226
  },
  "hsl": {
    "h": 223.217,
    "s": 71.144,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60535,
    "c": 0.16241,
    "h": 265.8
  },
  "luminance": 0.21496
}

Semantic roles & 50–950 ramp

primary

#537BE2

secondary

#E4D4AD

accent

#9D12D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537BE2

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

Preview Lab → · Contrast checker → · Palette generator →