#4256D8#4256D8

#4256D8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.199 H 271.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#4256D8
RGBrgb(66, 86, 216)
HSLhsl(232, 66%, 55%)
HSVhsv(232, 69%, 85%)
CMYKcmyk(69.4%, 60.2%, 0%, 15.3%)
CIE-LABlab(42.41, 35.16, -68.95)
CIE-LCHlch(42.41, 77.40, 297.02°)
OKLaboklab(51.74% 0.0034 -0.1989)
OKLCHoklch(51.74% 0.199 271)
XYZxyz(17.9650, 12.7699, 66.4705)
Luminance0.1277 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4256D8 #D8C442
analogous
#42A1D8 #4256D8 #7942D8
triadic
#4256D8 #D84256 #56D842
tetradic
#4256D8 #D842A1 #D8C442 #42D879
square
#4256D8 #D842A1 #D8C442 #42D879
split-complementary
#4256D8 #D87942 #A1D842
monochromatic
#1B2984 #2639B7 #4256D8 #7583E2 #A7B1ED

Accessibility & contrast

On white

5.91
#4256D8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.55
#4256D8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256D8
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4256D8#FFFFFF#000000##FFFFFF
##4256D81.005.913.555.91
#FFFFFF5.911.0021.001.00
#0000003.5521.001.0021.00
##FFFFFF5.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006BDC
Deuteranopia (green-blind)
#005DD5
Tritanopia (blue-blind)
#00778F
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #4256d8;
/* rgb */ color: rgb(66, 86, 216);
/* oklch */ color: oklch(51.7% 0.199 271.0);
Tailwind
colors: {
  custom: {
    50: '#8985e5',
    500: '#4256d8',
    950: '#000000',
  },
}
SCSS
$custom: #4256d8;
$custom-light: #8985e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4256d8",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 216
  },
  "hsl": {
    "h": 232,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51737,
    "c": 0.19895,
    "h": 271
  },
  "luminance": 0.12772
}

Semantic roles & 50–950 ramp

primary
#4256D8
secondary
#DAD29C
accent
#D23FE9
background
#F9F8FE
surface
#F1EFFC
border
#CBCAD5
text
#0D0B16
muted
#7E7C84

Preview Lab

Preview with #4256D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4256D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva