#4256D9#4256D9

#4256D9 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 51.8% C 0.200 H 271.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4256D9
RGB	rgb(66, 86, 217)
HSL	hsl(232, 67%, 55%)
HSV	hsv(232, 70%, 85%)
CMYK	cmyk(69.6%, 60.4%, 0%, 14.9%)
CIE-LAB	lab(42.49, 35.51, -69.39)
CIE-LCH	lch(42.49, 77.95, 297.10°)
OKLab	oklab(51.82% 0.0033 -0.2002)
OKLCH	oklch(51.82% 0.2 271)
XYZ	xyz(18.0947, 12.8218, 67.1534)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256D9 #D9C542

analogous

#42A1D9 #4256D9 #7942D9

triadic

#4256D9 #D94256 #56D942

tetradic

#4256D9 #D942A1 #D9C542 #42D979

square

#4256D9 #D942A1 #D9C542 #42D979

split-complementary

#4256D9 #D97942 #A1D942

monochromatic

#1B2986 #2539B9 #4256D9 #7584E3 #A8B1ED

Accessibility & contrast

On white

5.89

#4256D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4256D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256D9

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256D9	#FFFFFF	#000000	##FFFFFF
##4256D9	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDD

Deuteranopia (green-blind)

#005ED6

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4256d9;
/* rgb */ color: rgb(66, 86, 217);
/* oklch */ color: oklch(51.8% 0.200 271.0);

Tailwind

colors: {
  custom: {
    50: '#8985e6',
    500: '#4256d9',
    950: '#000000',
  },
}

SCSS

$custom: #4256d9;
$custom-light: #8985e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4256d9",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 217
  },
  "hsl": {
    "h": 232.053,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.5182,
    "c": 0.20025,
    "h": 271
  },
  "luminance": 0.12824
}

Semantic roles & 50–950 ramp

primary

#4256D9

secondary

#DBD39C

accent

#D33EE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4256D9

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

Preview Lab → · Contrast checker → · Palette generator →