#4256CD#4256CD

#4256CD is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.8% C 0.184 H 271.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4256CD
RGB	rgb(66, 86, 205)
HSL	hsl(231, 58%, 53%)
HSV	hsv(231, 68%, 80%)
CMYK	cmyk(67.8%, 58%, 0%, 19.6%)
CIE-LAB	lab(41.56, 31.31, -64.02)
CIE-LCH	lch(41.56, 71.26, 296.06°)
OKLab	oklab(50.84% 0.0034 -0.1844)
OKLCH	oklch(50.84% 0.184 271)
XYZ	xyz(16.5903, 12.2200, 59.2302)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256CD #CDB942

analogous

#429BCD #4256CD #7342CD

triadic

#4256CD #CD4256 #56CD42

tetradic

#4256CD #CD429B #CDB942 #42CD73

square

#4256CD #CD429B #CDB942 #42CD73

split-complementary

#4256CD #CD7342 #9BCD42

monochromatic

#1F2C76 #2C3DA6 #4256CD #7281DA #A3ADE7

Accessibility & contrast

On white

6.10

#4256CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4256CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256CD

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256CD	#FFFFFF	#000000	##FFFFFF
##4256CD	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D1

Deuteranopia (green-blind)

#005CCB

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4256cd;
/* rgb */ color: rgb(66, 86, 205);
/* oklch */ color: oklch(50.8% 0.184 271.0);

Tailwind

colors: {
  custom: {
    50: '#8785dd',
    500: '#4256cd',
    950: '#000000',
  },
}

SCSS

$custom: #4256cd;
$custom-light: #8785dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4256cd",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 205
  },
  "hsl": {
    "h": 231.367,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50839,
    "c": 0.18446,
    "h": 271
  },
  "luminance": 0.12222
}

Semantic roles & 50–950 ramp

primary

#4256CD

secondary

#D3CB97

accent

#CB46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4256CD

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

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