#4256C4#4256C4

#4256C4 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.172 H 271.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4256C4
RGB	rgb(66, 86, 196)
HSL	hsl(231, 52%, 51%)
HSV	hsv(231, 66%, 77%)
CMYK	cmyk(66.3%, 56.1%, 0%, 23.1%)
CIE-LAB	lab(40.89, 28.15, -59.90)
CIE-LCH	lch(40.89, 66.18, 295.17°)
OKLab	oklab(50.13% 0.0032 -0.1723)
OKLCH	oklch(50.13% 0.172 271.1)
XYZ	xyz(15.5350, 11.7979, 53.6724)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256C4 #C4B042

analogous

#4297C4 #4256C4 #6F42C4

triadic

#4256C4 #C44256 #56C442

tetradic

#4256C4 #C44297 #C4B042 #42C46F

square

#4256C4 #C44297 #C4B042 #42C46F

split-complementary

#4256C4 #C46F42 #97C442

monochromatic

#212C6A #304099 #4256C4 #7180D3 #9FA9E1

Accessibility & contrast

On white

6.25

#4256C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4256C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256C4

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256C4	#FFFFFF	#000000	##FFFFFF
##4256C4	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C8

Deuteranopia (green-blind)

#005BC2

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4256c4;
/* rgb */ color: rgb(66, 86, 196);
/* oklch */ color: oklch(50.1% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#8585d7',
    500: '#4256c4',
    950: '#000000',
  },
}

SCSS

$custom: #4256c4;
$custom-light: #8585d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4256c4",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 196
  },
  "hsl": {
    "h": 230.769,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50128,
    "c": 0.17235,
    "h": 271.1
  },
  "luminance": 0.11799
}

Semantic roles & 50–950 ramp

primary

#4256C4

secondary

#CEC594

accent

#C64CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4256C4

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

Preview Lab → · Contrast checker → · Palette generator →