#4263D4#4263D4

#4263D4 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.9% C 0.178 H 267.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX#4263D4
RGBrgb(66, 99, 212)
HSLhsl(226, 63%, 55%)
HSVhsv(226, 69%, 83%)
CMYKcmyk(68.9%, 53.3%, 0%, 16.9%)
CIE-LABlab(45.41, 25.55, -61.80)
CIE-LCHlch(45.41, 66.87, 292.46°)
OKLaboklab(53.88% -0.007 -0.1777)
OKLCHoklch(53.88% 0.178 267.7)
XYZxyz(18.5882, 14.8336, 64.1581)
Luminance0.1484 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4263D4 #D4B342
analogous
#42ACD4 #4263D4 #6A42D4
triadic
#4263D4 #D44263 #63D442
tetradic
#4263D4 #D442AC #D4B342 #42D46A
square
#4263D4 #D442AC #D4B342 #42D46A
split-complementary
#4263D4 #D46A42 #ACD442
monochromatic
#1D337F #2847B1 #4263D4 #748CDF #A6B5EB

Accessibility & contrast

On white

5.29
#4263D4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.97
#4263D4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263D4
5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4263D4#FFFFFF#000000##FFFFFF
##4263D41.005.293.975.29
#FFFFFF5.291.0021.001.00
#0000003.9721.001.0021.00
##FFFFFF5.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0F72D8
Deuteranopia (green-blind)
#0065D2
Tritanopia (blue-blind)
#007E92
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #4263d4;
/* rgb */ color: rgb(66, 99, 212);
/* oklch */ color: oklch(53.9% 0.178 267.7);
Tailwind
colors: {
  custom: {
    50: '#878ee2',
    500: '#4263d4',
    950: '#000000',
  },
}
SCSS
$custom: #4263d4;
$custom-light: #878ee2;
$custom-dark: #000000;
JSON
{
  "hex": "#4263d4",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 212
  },
  "hsl": {
    "h": 226.438,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5388,
    "c": 0.17788,
    "h": 267.7
  },
  "luminance": 0.14835
}

Semantic roles & 50–950 ramp

primary
#4263D4
secondary
#D8CA9A
accent
#C142E6
background
#F9F8FD
surface
#F1F0FB
border
#CBCBD4
text
#0D0C15
muted
#7E7D83

Preview Lab

Preview with #4263D4

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

Preview Lab → · Contrast checker → · Palette generator →

#4263D4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva