#537DF2#537DF2

#537DF2 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 62.0% C 0.182 H 266.3°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#537DF2
RGB	rgb(83, 125, 242)
HSL	hsl(224, 86%, 64%)
HSV	hsv(224, 66%, 95%)
CMYK	cmyk(65.7%, 48.3%, 0%, 5.1%)
CIE-LAB	lab(54.98, 22.40, -63.20)
CIE-LCH	lch(54.98, 67.05, 289.52°)
OKLab	oklab(61.99% -0.0116 -0.1811)
OKLCH	oklch(61.99% 0.182 266.3)
XYZ	xyz(26.9224, 22.9145, 86.9913)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DF2 #F2C853

analogous

#53CCF2 #537DF2 #7853F2

triadic

#537DF2 #F2537D #7DF253

tetradic

#537DF2 #F253CC #F2C853 #53F278

square

#537DF2 #F253CC #F2C853 #53F278

split-complementary

#537DF2 #F27853 #CCF253

monochromatic

#0E3CBC #1A52EE #537DF2 #8CA8F6 #C5D3FB

Accessibility & contrast

On white

3.76

#537DF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#537DF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DF2

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DF2	#FFFFFF	#000000	##000000
##537DF2	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8BF6

Deuteranopia (green-blind)

#127DF0

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537df2;
/* rgb */ color: rgb(83, 125, 242);
/* oklch */ color: oklch(62.0% 0.182 266.3);

Tailwind

colors: {
  custom: {
    50: '#93a2f7',
    500: '#537df2',
    950: '#000000',
  },
}

SCSS

$custom: #537df2;
$custom-light: #93a2f7;
$custom-dark: #000000;

JSON

{
  "hex": "#537df2",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 242
  },
  "hsl": {
    "h": 224.151,
    "s": 85.946,
    "l": 63.725
  },
  "oklch": {
    "l": 0.61992,
    "c": 0.18151,
    "h": 266.3
  },
  "luminance": 0.22917
}

Semantic roles & 50–950 ramp

primary

#537DF2

secondary

#ECDEB4

accent

#A703E2

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537DF2

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

Preview Lab → · Contrast checker → · Palette generator →