#4256B2#4256B2

#4256B2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.147 H 270.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4256B2
RGB	rgb(66, 86, 178)
HSL	hsl(229, 46%, 48%)
HSV	hsv(229, 63%, 70%)
CMYK	cmyk(62.9%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(39.63, 21.80, -51.42)
CIE-LCH	lch(39.63, 55.85, 292.98°)
OKLab	oklab(48.77% 0.002 -0.1474)
OKLCH	oklch(48.77% 0.147 270.8)
XYZ	xyz(13.6077, 11.0270, 43.5222)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256B2 #B29E42

analogous

#428EB2 #4256B2 #6642B2

triadic

#4256B2 #B24256 #56B242

tetradic

#4256B2 #B2428E #B29E42 #42B266

square

#4256B2 #B2428E #B29E42 #42B266

split-complementary

#4256B2 #B26642 #8EB242

monochromatic

#212B59 #314085 #4256B2 #6A7AC8 #96A2D8

Accessibility & contrast

On white

6.55

#4256B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4256B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256B2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256B2	#FFFFFF	#000000	##FFFFFF
##4256B2	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2163B5

Deuteranopia (green-blind)

#0059B0

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4256b2;
/* rgb */ color: rgb(66, 86, 178);
/* oklch */ color: oklch(48.8% 0.147 270.8);

Tailwind

colors: {
  custom: {
    50: '#8185ca',
    500: '#4256b2',
    950: '#000000',
  },
}

SCSS

$custom: #4256b2;
$custom-light: #8185ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4256b2",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 229.286,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48772,
    "c": 0.14739,
    "h": 270.8
  },
  "luminance": 0.11028
}

Semantic roles & 50–950 ramp

primary

#4256B2

secondary

#C4BA8C

accent

#BE52D6

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4256B2

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

Preview Lab → · Contrast checker → · Palette generator →