#4256D8#4256D8

#4256D8 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.199 H 271.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4256D8
RGB	rgb(66, 86, 216)
HSL	hsl(232, 66%, 55%)
HSV	hsv(232, 69%, 85%)
CMYK	cmyk(69.4%, 60.2%, 0%, 15.3%)
CIE-LAB	lab(42.41, 35.16, -68.95)
CIE-LCH	lch(42.41, 77.40, 297.02°)
OKLab	oklab(51.74% 0.0034 -0.1989)
OKLCH	oklch(51.74% 0.199 271)
XYZ	xyz(17.9650, 12.7699, 66.4705)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256D8 #D8C442

analogous

#42A1D8 #4256D8 #7942D8

triadic

#4256D8 #D84256 #56D842

tetradic

#4256D8 #D842A1 #D8C442 #42D879

square

#4256D8 #D842A1 #D8C442 #42D879

split-complementary

#4256D8 #D87942 #A1D842

monochromatic

#1B2984 #2639B7 #4256D8 #7583E2 #A7B1ED

Accessibility & contrast

On white

5.91

#4256D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4256D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256D8

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256D8	#FFFFFF	#000000	##FFFFFF
##4256D8	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDC

Deuteranopia (green-blind)

#005DD5

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4256d8;
/* rgb */ color: rgb(66, 86, 216);
/* oklch */ color: oklch(51.7% 0.199 271.0);

Tailwind

colors: {
  custom: {
    50: '#8985e5',
    500: '#4256d8',
    950: '#000000',
  },
}

SCSS

$custom: #4256d8;
$custom-light: #8985e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4256d8",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 216
  },
  "hsl": {
    "h": 232,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51737,
    "c": 0.19895,
    "h": 271
  },
  "luminance": 0.12772
}

Semantic roles & 50–950 ramp

primary

#4256D8

secondary

#DAD29C

accent

#D23FE9

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4256D8

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

Preview Lab → · Contrast checker → · Palette generator →