#537EFC#537EFC

#537EFC is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.9% C 0.194 H 266.6°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#537EFC
RGB	rgb(83, 126, 252)
HSL	hsl(225, 97%, 66%)
HSV	hsv(225, 67%, 99%)
CMYK	cmyk(67.1%, 50%, 0%, 1.2%)
CIE-LAB	lab(55.87, 25.23, -67.30)
CIE-LCH	lch(55.87, 71.87, 290.55°)
OKLab	oklab(62.87% -0.0114 -0.1932)
OKLCH	oklch(62.87% 0.194 266.6)
XYZ	xyz(28.5927, 23.7862, 95.1609)
Luminance	0.2379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EFC #FCD153

analogous

#53D2FC #537EFC #7C53FC

triadic

#537EFC #FC537E #7EFC53

tetradic

#537EFC #FC53D2 #FCD153 #53FC7C

square

#537EFC #FC53D2 #FCD153 #53FC7C

split-complementary

#537EFC #FC7C53 #D2FC53

monochromatic

#0438D1 #1751FB #537EFC #8FABFD #CBD8FE

Accessibility & contrast

On white

3.65

#537EFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#537EFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EFC

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EFC	#FFFFFF	#000000	##000000
##537EFC	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#338EFF

Deuteranopia (green-blind)

#007FF9

Tritanopia (blue-blind)

#009CB1

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #537efc;
/* rgb */ color: rgb(83, 126, 252);
/* oklch */ color: oklch(62.9% 0.194 266.6);

Tailwind

colors: {
  custom: {
    50: '#95a2fe',
    500: '#537efc',
    950: '#000000',
  },
}

SCSS

$custom: #537efc;
$custom-light: #95a2fe;
$custom-dark: #000000;

JSON

{
  "hex": "#537efc",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 252
  },
  "hsl": {
    "h": 224.734,
    "s": 96.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.62869,
    "c": 0.19353,
    "h": 266.6
  },
  "luminance": 0.23789
}

Semantic roles & 50–950 ramp

primary

#537EFC

secondary

#F2E3B9

accent

#AB00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0F18

muted

#7E7E86

Preview Lab

Preview with #537EFC

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

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