#4256CC#4256CC

#4256CC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.8% C 0.183 H 271.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4256CC
RGB	rgb(66, 86, 204)
HSL	hsl(231, 58%, 53%)
HSV	hsv(231, 68%, 80%)
CMYK	cmyk(67.6%, 57.8%, 0%, 20%)
CIE-LAB	lab(41.49, 30.96, -63.56)
CIE-LCH	lch(41.49, 70.70, 295.97°)
OKLab	oklab(50.76% 0.0034 -0.1831)
OKLCH	oklch(50.76% 0.183 271.1)
XYZ	xyz(16.4699, 12.1719, 58.5965)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256CC #CCB842

analogous

#429BCC #4256CC #7342CC

triadic

#4256CC #CC4256 #56CC42

tetradic

#4256CC #CC429B #CCB842 #42CC73

square

#4256CC #CC429B #CCB842 #42CC73

split-complementary

#4256CC #CC7342 #9BCC42

monochromatic

#1F2C74 #2C3EA4 #4256CC #7281D9 #A2ACE6

Accessibility & contrast

On white

6.11

#4256CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4256CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256CC

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256CC	#FFFFFF	#000000	##FFFFFF
##4256CC	1.00	6.11	3.43	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005CCA

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4256cc;
/* rgb */ color: rgb(66, 86, 204);
/* oklch */ color: oklch(50.8% 0.183 271.1);

Tailwind

colors: {
  custom: {
    50: '#8685dc',
    500: '#4256cc',
    950: '#000000',
  },
}

SCSS

$custom: #4256cc;
$custom-light: #8685dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4256cc",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 204
  },
  "hsl": {
    "h": 231.304,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50759,
    "c": 0.18313,
    "h": 271.1
  },
  "luminance": 0.12173
}

Semantic roles & 50–950 ramp

primary

#4256CC

secondary

#D3CA97

accent

#CA47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4256CC

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

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