#4256C7#4256C7

#4256C7 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.4% C 0.176 H 271.1°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4256C7
RGB	rgb(66, 86, 199)
HSL	hsl(231, 54%, 52%)
HSV	hsv(231, 67%, 78%)
CMYK	cmyk(66.8%, 56.8%, 0%, 22%)
CIE-LAB	lab(41.11, 29.20, -61.28)
CIE-LCH	lch(41.11, 67.88, 295.48°)
OKLab	oklab(50.36% 0.0033 -0.1764)
OKLCH	oklch(50.36% 0.176 271.1)
XYZ	xyz(15.8799, 11.9359, 55.4887)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256C7 #C7B342

analogous

#4299C7 #4256C7 #7042C7

triadic

#4256C7 #C74256 #56C742

tetradic

#4256C7 #C74299 #C7B342 #42C770

square

#4256C7 #C74299 #C7B342 #42C770

split-complementary

#4256C7 #C77042 #99C742

monochromatic

#212C6E #2F3F9D #4256C7 #7180D5 #A0AAE3

Accessibility & contrast

On white

6.20

#4256C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#4256C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256C7

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256C7	#FFFFFF	#000000	##FFFFFF
##4256C7	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CB

Deuteranopia (green-blind)

#005BC5

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4256c7;
/* rgb */ color: rgb(66, 86, 199);
/* oklch */ color: oklch(50.4% 0.176 271.1);

Tailwind

colors: {
  custom: {
    50: '#8585d9',
    500: '#4256c7',
    950: '#000000',
  },
}

SCSS

$custom: #4256c7;
$custom-light: #8585d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4256c7",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 199
  },
  "hsl": {
    "h": 230.977,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50362,
    "c": 0.17641,
    "h": 271.1
  },
  "luminance": 0.11937
}

Semantic roles & 50–950 ramp

primary

#4256C7

secondary

#D0C795

accent

#C74ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4256C7

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

Preview Lab → · Contrast checker → · Palette generator →