#4256D4#4256D4

#4256D4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.4% C 0.194 H 271.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4256D4
RGB	rgb(66, 86, 212)
HSL	hsl(232, 63%, 55%)
HSV	hsv(232, 69%, 83%)
CMYK	cmyk(68.9%, 59.4%, 0%, 16.9%)
CIE-LAB	lab(42.10, 33.76, -67.17)
CIE-LCH	lch(42.10, 75.18, 296.69°)
OKLab	oklab(51.41% 0.0034 -0.1937)
OKLCH	oklch(51.41% 0.194 271)
XYZ	xyz(17.4542, 12.5656, 63.7801)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256D4 #D4C042

analogous

#429FD4 #4256D4 #7742D4

triadic

#4256D4 #D44256 #56D442

tetradic

#4256D4 #D4429F #D4C042 #42D477

square

#4256D4 #D4429F #D4C042 #42D477

split-complementary

#4256D4 #D47742 #9FD442

monochromatic

#1D2A7F #283BB1 #4256D4 #7483DF #A6AFEB

Accessibility & contrast

On white

5.98

#4256D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4256D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256D4

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256D4	#FFFFFF	#000000	##FFFFFF
##4256D4	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD8

Deuteranopia (green-blind)

#005DD2

Tritanopia (blue-blind)

#00768D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4256d4;
/* rgb */ color: rgb(66, 86, 212);
/* oklch */ color: oklch(51.4% 0.194 271.0);

Tailwind

colors: {
  custom: {
    50: '#8885e2',
    500: '#4256d4',
    950: '#000000',
  },
}

SCSS

$custom: #4256d4;
$custom-light: #8885e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4256d4",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 212
  },
  "hsl": {
    "h": 231.781,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51407,
    "c": 0.19372,
    "h": 271
  },
  "luminance": 0.12567
}

Semantic roles & 50–950 ramp

primary

#4256D4

secondary

#D8CF9A

accent

#CF42E6

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #4256D4

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

Preview Lab → · Contrast checker → · Palette generator →