#537ED3#537ED3

#537ED3 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.2% C 0.138 H 262.7°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#537ED3
RGB	rgb(83, 126, 211)
HSL	hsl(220, 59%, 58%)
HSV	hsv(220, 61%, 83%)
CMYK	cmyk(60.7%, 40.3%, 0%, 17.3%)
CIE-LAB	lab(53.45, 11.23, -48.28)
CIE-LCH	lch(53.45, 49.56, 283.10°)
OKLab	oklab(60.23% -0.0176 -0.1373)
OKLCH	oklch(60.23% 0.138 262.7)
XYZ	xyz(22.7819, 21.4619, 64.5574)
Luminance	0.2146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ED3 #D3A853

analogous

#53BED3 #537ED3 #6853D3

triadic

#537ED3 #D3537E #7ED353

tetradic

#537ED3 #D353BE #D3A853 #53D368

square

#537ED3 #D353BE #D3A853 #53D368

split-complementary

#537ED3 #D36853 #BED353

monochromatic

#234589 #2F5EB9 #537ED3 #84A3DF #B4C7EC

Accessibility & contrast

On white

3.97

#537ED3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#537ED3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ED3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ED3	#FFFFFF	#000000	##000000
##537ED3	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D6

Deuteranopia (green-blind)

#477AD1

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ed3;
/* rgb */ color: rgb(83, 126, 211);
/* oklch */ color: oklch(60.2% 0.138 262.7);

Tailwind

colors: {
  custom: {
    50: '#8ea2e1',
    500: '#537ed3',
    950: '#000000',
  },
}

SCSS

$custom: #537ed3;
$custom-light: #8ea2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#537ed3",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 211
  },
  "hsl": {
    "h": 219.844,
    "s": 59.259,
    "l": 57.647
  },
  "oklch": {
    "l": 0.60234,
    "c": 0.13841,
    "h": 262.7
  },
  "luminance": 0.21464
}

Semantic roles & 50–950 ramp

primary

#537ED3

secondary

#DBC9A7

accent

#AE45E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537ED3

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

Preview Lab → · Contrast checker → · Palette generator →