#537FED#537FED

#537FED is a light, vivid blue. Relative luminance 0.231; OKLCH L 62.1% C 0.172 H 265.3°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#537FED
RGB	rgb(83, 127, 237)
HSL	hsl(223, 81%, 63%)
HSV	hsv(223, 65%, 93%)
CMYK	cmyk(65%, 46.4%, 0%, 7.1%)
CIE-LAB	lab(55.21, 19.46, -60.06)
CIE-LCH	lch(55.21, 63.13, 287.96°)
OKLab	oklab(62.06% -0.0141 -0.1719)
OKLCH	oklch(62.06% 0.172 265.3)
XYZ	xyz(26.4374, 23.1297, 83.1756)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FED #EDC153

analogous

#53CCED #537FED #7453ED

triadic

#537FED #ED537F #7FED53

tetradic

#537FED #ED53CC #EDC153 #53ED74

square

#537FED #ED53CC #EDC153 #53ED74

split-complementary

#537FED #ED7453 #CCED53

monochromatic

#1340B3 #1C56E7 #537FED #8AA8F3 #C2D1F9

Accessibility & contrast

On white

3.73

#537FED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#537FED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FED

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FED	#FFFFFF	#000000	##000000
##537FED	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478CF1

Deuteranopia (green-blind)

#287EEB

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537fed;
/* rgb */ color: rgb(83, 127, 237);
/* oklch */ color: oklch(62.1% 0.172 265.3);

Tailwind

colors: {
  custom: {
    50: '#92a3f3',
    500: '#537fed',
    950: '#000000',
  },
}

SCSS

$custom: #537fed;
$custom-light: #92a3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#537fed",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 237
  },
  "hsl": {
    "h": 222.857,
    "s": 81.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.62063,
    "c": 0.17246,
    "h": 265.3
  },
  "luminance": 0.23132
}

Semantic roles & 50–950 ramp

primary

#537FED

secondary

#EADAB2

accent

#A008DD

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #537FED

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

Preview Lab → · Contrast checker → · Palette generator →