#4256D5#4256D5

#4256D5 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.5% C 0.195 H 271.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4256D5
RGB	rgb(66, 86, 213)
HSL	hsl(232, 64%, 55%)
HSV	hsv(232, 69%, 84%)
CMYK	cmyk(69%, 59.6%, 0%, 16.5%)
CIE-LAB	lab(42.18, 34.11, -67.61)
CIE-LCH	lch(42.18, 75.73, 296.77°)
OKLab	oklab(51.49% 0.0034 -0.195)
OKLCH	oklch(51.49% 0.195 271)
XYZ	xyz(17.5807, 12.6162, 64.4465)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256D5 #D5C142

analogous

#429FD5 #4256D5 #7842D5

triadic

#4256D5 #D54256 #56D542

tetradic

#4256D5 #D5429F #D5C142 #42D578

square

#4256D5 #D5429F #D5C142 #42D578

split-complementary

#4256D5 #D57842 #9FD542

monochromatic

#1C2A80 #283AB2 #4256D5 #7483E0 #A6B0EB

Accessibility & contrast

On white

5.96

#4256D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4256D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256D5

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256D5	#FFFFFF	#000000	##FFFFFF
##4256D5	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD9

Deuteranopia (green-blind)

#005DD3

Tritanopia (blue-blind)

#00768D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4256d5;
/* rgb */ color: rgb(66, 86, 213);
/* oklch */ color: oklch(51.5% 0.195 271.0);

Tailwind

colors: {
  custom: {
    50: '#8885e3',
    500: '#4256d5',
    950: '#000000',
  },
}

SCSS

$custom: #4256d5;
$custom-light: #8885e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4256d5",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 213
  },
  "hsl": {
    "h": 231.837,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51489,
    "c": 0.19503,
    "h": 271
  },
  "luminance": 0.12618
}

Semantic roles & 50–950 ramp

primary

#4256D5

secondary

#D8D09A

accent

#D041E7

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4256D5

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

Preview Lab → · Contrast checker → · Palette generator →