#4256CE#4256CE

#4256CE is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.186 H 271.0°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4256CE
RGB	rgb(66, 86, 206)
HSL	hsl(231, 59%, 53%)
HSV	hsv(231, 68%, 81%)
CMYK	cmyk(68%, 58.3%, 0%, 19.2%)
CIE-LAB	lab(41.64, 31.66, -64.47)
CIE-LCH	lch(41.64, 71.82, 296.16°)
OKLab	oklab(50.92% 0.0034 -0.1858)
OKLCH	oklch(50.92% 0.186 271)
XYZ	xyz(16.7114, 12.2685, 59.8679)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256CE #CEBA42

analogous

#429CCE #4256CE #7442CE

triadic

#4256CE #CE4256 #56CE42

tetradic

#4256CE #CE429C #CEBA42 #42CE74

square

#4256CE #CE429C #CEBA42 #42CE74

split-complementary

#4256CE #CE7442 #9CCE42

monochromatic

#1F2B77 #2B3DA7 #4256CE #7381DB #A3ADE7

Accessibility & contrast

On white

6.08

#4256CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4256CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256CE

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256CE	#FFFFFF	#000000	##FFFFFF
##4256CE	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D2

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4256ce;
/* rgb */ color: rgb(66, 86, 206);
/* oklch */ color: oklch(50.9% 0.186 271.0);

Tailwind

colors: {
  custom: {
    50: '#8785de',
    500: '#4256ce',
    950: '#000000',
  },
}

SCSS

$custom: #4256ce;
$custom-light: #8785de;
$custom-dark: #000000;

JSON

{
  "hex": "#4256ce",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 206
  },
  "hsl": {
    "h": 231.429,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5092,
    "c": 0.18579,
    "h": 271
  },
  "luminance": 0.1227
}

Semantic roles & 50–950 ramp

primary

#4256CE

secondary

#D4CB98

accent

#CC46E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4256CE

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

Preview Lab → · Contrast checker → · Palette generator →