#4256CA#4256CA

#4256CA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.180 H 271.1°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4256CA
RGB	rgb(66, 86, 202)
HSL	hsl(231, 56%, 53%)
HSV	hsv(231, 67%, 79%)
CMYK	cmyk(67.3%, 57.4%, 0%, 20.8%)
CIE-LAB	lab(41.34, 30.26, -62.65)
CIE-LCH	lch(41.34, 69.58, 295.78°)
OKLab	oklab(50.6% 0.0033 -0.1804)
OKLCH	oklch(50.6% 0.18 271.1)
XYZ	xyz(16.2316, 12.0766, 57.3413)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256CA #CAB642

analogous

#429ACA #4256CA #7242CA

triadic

#4256CA #CA4256 #56CA42

tetradic

#4256CA #CA429A #CAB642 #42CA72

square

#4256CA #CA429A #CAB642 #42CA72

split-complementary

#4256CA #CA7242 #9ACA42

monochromatic

#202C72 #2D3EA2 #4256CA #7281D7 #A2ABE5

Accessibility & contrast

On white

6.15

#4256CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#4256CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256CA

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256CA	#FFFFFF	#000000	##FFFFFF
##4256CA	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CE

Deuteranopia (green-blind)

#005CC8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4256ca;
/* rgb */ color: rgb(66, 86, 202);
/* oklch */ color: oklch(50.6% 0.180 271.1);

Tailwind

colors: {
  custom: {
    50: '#8685db',
    500: '#4256ca',
    950: '#000000',
  },
}

SCSS

$custom: #4256ca;
$custom-light: #8685db;
$custom-dark: #000000;

JSON

{
  "hex": "#4256ca",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 202
  },
  "hsl": {
    "h": 231.176,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.506,
    "c": 0.18045,
    "h": 271.1
  },
  "luminance": 0.12078
}

Semantic roles & 50–950 ramp

primary

#4256CA

secondary

#D1C996

accent

#C948DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4256CA

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

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