#537ED2#537ED2

#537ED2 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.2% C 0.137 H 262.5°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#537ED2
RGB	rgb(83, 126, 210)
HSL	hsl(220, 59%, 57%)
HSV	hsv(220, 60%, 82%)
CMYK	cmyk(60.5%, 40%, 0%, 17.6%)
CIE-LAB	lab(53.40, 10.89, -47.80)
CIE-LCH	lch(53.40, 49.02, 282.84°)
OKLab	oklab(60.18% -0.0178 -0.1359)
OKLCH	oklch(60.18% 0.137 262.5)
XYZ	xyz(22.6570, 21.4119, 63.8992)
Luminance	0.2141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ED2 #D2A753

analogous

#53BDD2 #537ED2 #6853D2

triadic

#537ED2 #D2537E #7ED253

tetradic

#537ED2 #D253BD #D2A753 #53D268

square

#537ED2 #D253BD #D2A753 #53D268

split-complementary

#537ED2 #D26853 #BDD253

monochromatic

#234587 #305EB8 #537ED2 #84A2DF #B4C7EB

Accessibility & contrast

On white

3.98

#537ED2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#537ED2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ED2

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ED2	#FFFFFF	#000000	##000000
##537ED2	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5986D5

Deuteranopia (green-blind)

#487AD0

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ed2;
/* rgb */ color: rgb(83, 126, 210);
/* oklch */ color: oklch(60.2% 0.137 262.5);

Tailwind

colors: {
  custom: {
    50: '#8ea3e0',
    500: '#537ed2',
    950: '#000000',
  },
}

SCSS

$custom: #537ed2;
$custom-light: #8ea3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#537ed2",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 210
  },
  "hsl": {
    "h": 219.685,
    "s": 58.525,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60175,
    "c": 0.13704,
    "h": 262.5
  },
  "luminance": 0.21414
}

Semantic roles & 50–950 ramp

primary

#537ED2

secondary

#DAC9A7

accent

#AD46E2

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537ED2

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

Preview Lab → · Contrast checker → · Palette generator →