#537DFD#537DFD

#537DFD is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.7% C 0.196 H 267.0°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX#537DFD
RGBrgb(83, 125, 253)
HSLhsl(225, 98%, 66%)
HSVhsv(225, 67%, 99%)
CMYKcmyk(67.2%, 50.6%, 0%, 0.8%)
CIE-LABlab(55.68, 26.18, -68.16)
CIE-LCHlch(55.68, 73.02, 291.01°)
OKLaboklab(62.74% -0.0104 -0.1957)
OKLCHoklch(62.74% 0.196 267)
XYZxyz(28.6244, 23.5953, 95.9553)
Luminance0.2360 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#537DFD #FDD353
analogous
#53D2FD #537DFD #7E53FD
triadic
#537DFD #FD537D #7DFD53
tetradic
#537DFD #FD53D2 #FDD353 #53FD7E
square
#537DFD #FD53D2 #FDD353 #53FD7E
split-complementary
#537DFD #FD7E53 #D2FD53
monochromatic
#0236D3 #174FFC #537DFD #8FABFE #CCD8FE

Accessibility & contrast

On white

3.67
#537DFD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.72
#537DFD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DFD
5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##537DFD#FFFFFF#000000##000000
##537DFD1.003.675.725.72
#FFFFFF3.671.0021.0021.00
#0000005.7221.001.001.00
##0000005.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#2E8EFF
Deuteranopia (green-blind)
#007EFA
Tritanopia (blue-blind)
#009BB1
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #537dfd;
/* rgb */ color: rgb(83, 125, 253);
/* oklch */ color: oklch(62.7% 0.196 267.0);
Tailwind
colors: {
  custom: {
    50: '#95a2ff',
    500: '#537dfd',
    950: '#000000',
  },
}
SCSS
$custom: #537dfd;
$custom-light: #95a2ff;
$custom-dark: #000000;
JSON
{
  "hex": "#537dfd",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 253
  },
  "hsl": {
    "h": 225.176,
    "s": 97.701,
    "l": 65.882
  },
  "oklch": {
    "l": 0.62743,
    "c": 0.19603,
    "h": 267
  },
  "luminance": 0.23598
}

Semantic roles & 50–950 ramp

primary
#537DFD
secondary
#F2E4BA
accent
#AD00E6
background
#FAF9FF
surface
#F3F2FF
border
#CDCCD7
text
#0F0F18
muted
#7F7E86

Preview Lab

Preview with #537DFD

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

Preview Lab → · Contrast checker → · Palette generator →

#537DFD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva