#4256D1#4256D1

#4256D1 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.2% C 0.190 H 271.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4256D1
RGB	rgb(66, 86, 209)
HSL	hsl(232, 61%, 54%)
HSV	hsv(232, 68%, 82%)
CMYK	cmyk(68.4%, 58.9%, 0%, 18%)
CIE-LAB	lab(41.87, 32.71, -65.82)
CIE-LCH	lch(41.87, 73.50, 296.43°)
OKLab	oklab(51.16% 0.0034 -0.1897)
OKLCH	oklch(51.16% 0.19 271)
XYZ	xyz(17.0793, 12.4156, 61.8056)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256D1 #D1BD42

analogous

#429ED1 #4256D1 #7642D1

triadic

#4256D1 #D14256 #56D142

tetradic

#4256D1 #D1429E #D1BD42 #42D176

square

#4256D1 #D1429E #D1BD42 #42D176

split-complementary

#4256D1 #D17642 #9ED142

monochromatic

#1E2B7B #2A3CAC #4256D1 #7382DD #A4AEE9

Accessibility & contrast

On white

6.03

#4256D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4256D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256D1

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256D1	#FFFFFF	#000000	##FFFFFF
##4256D1	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D5

Deuteranopia (green-blind)

#005CCF

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4256d1;
/* rgb */ color: rgb(66, 86, 209);
/* oklch */ color: oklch(51.2% 0.190 271.0);

Tailwind

colors: {
  custom: {
    50: '#8785e0',
    500: '#4256d1',
    950: '#000000',
  },
}

SCSS

$custom: #4256d1;
$custom-light: #8785e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4256d1",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 209
  },
  "hsl": {
    "h": 231.608,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51162,
    "c": 0.18977,
    "h": 271
  },
  "luminance": 0.12417
}

Semantic roles & 50–950 ramp

primary

#4256D1

secondary

#D6CD99

accent

#CE44E4

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4256D1

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

Preview Lab → · Contrast checker → · Palette generator →