#537CD4#537CD4

#537CD4 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.142 H 263.8°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#537CD4
RGB	rgb(83, 124, 212)
HSL	hsl(221, 60%, 58%)
HSV	hsv(221, 61%, 83%)
CMYK	cmyk(60.8%, 41.5%, 0%, 16.9%)
CIE-LAB	lab(52.96, 12.79, -49.63)
CIE-LCH	lch(52.96, 51.25, 284.45°)
OKLab	oklab(59.87% -0.0153 -0.1413)
OKLCH	oklch(59.87% 0.142 263.8)
XYZ	xyz(22.6545, 21.0058, 65.1353)
Luminance	0.2101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CD4 #D4AB53

analogous

#53BDD4 #537CD4 #6A53D4

triadic

#537CD4 #D4537C #7CD453

tetradic

#537CD4 #D453BD #D4AB53 #53D46A

square

#537CD4 #D453BD #D4AB53 #53D46A

split-complementary

#537CD4 #D46A53 #BDD453

monochromatic

#23438A #2F5BBB #537CD4 #84A1E0 #B5C7EC

Accessibility & contrast

On white

4.04

#537CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#537CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CD4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CD4	#FFFFFF	#000000	##000000
##537CD4	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5585D7

Deuteranopia (green-blind)

#4279D2

Tritanopia (blue-blind)

#00909E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537cd4;
/* rgb */ color: rgb(83, 124, 212);
/* oklch */ color: oklch(59.9% 0.142 263.8);

Tailwind

colors: {
  custom: {
    50: '#8ea1e2',
    500: '#537cd4',
    950: '#000000',
  },
}

SCSS

$custom: #537cd4;
$custom-light: #8ea1e2;
$custom-dark: #000000;

JSON

{
  "hex": "#537cd4",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 212
  },
  "hsl": {
    "h": 220.93,
    "s": 60,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59869,
    "c": 0.14211,
    "h": 263.8
  },
  "luminance": 0.21008
}

Semantic roles & 50–950 ramp

primary

#537CD4

secondary

#DBCBA8

accent

#B145E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #537CD4

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

Preview Lab → · Contrast checker → · Palette generator →