#4256BB#4256BB

#4256BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.160 H 271.0°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4256BB
RGB	rgb(66, 86, 187)
HSL	hsl(230, 48%, 50%)
HSV	hsv(230, 65%, 73%)
CMYK	cmyk(64.7%, 54%, 0%, 26.7%)
CIE-LAB	lab(40.25, 24.97, -55.70)
CIE-LCH	lch(40.25, 61.04, 294.15°)
OKLab	oklab(49.44% 0.0027 -0.16)
OKLCH	oklch(49.44% 0.16 271)
XYZ	xyz(14.5412, 11.4004, 48.4383)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256BB #BBA742

analogous

#4292BB #4256BB #6B42BB

triadic

#4256BB #BB4256 #56BB42

tetradic

#4256BB #BB4292 #BBA742 #42BB6B

square

#4256BB #BB4292 #BBA742 #42BB6B

split-complementary

#4256BB #BB6B42 #92BB42

monochromatic

#222C61 #32418E #4256BB #6E7ECC #9CA6DC

Accessibility & contrast

On white

6.40

#4256BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4256BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256BB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256BB	#FFFFFF	#000000	##FFFFFF
##4256BB	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E64BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4256bb;
/* rgb */ color: rgb(66, 86, 187);
/* oklch */ color: oklch(49.4% 0.160 271.0);

Tailwind

colors: {
  custom: {
    50: '#8385d0',
    500: '#4256bb',
    950: '#000000',
  },
}

SCSS

$custom: #4256bb;
$custom-light: #8385d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4256bb",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 230.083,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49438,
    "c": 0.15999,
    "h": 271
  },
  "luminance": 0.11402
}

Semantic roles & 50–950 ramp

primary

#4256BB

secondary

#C8BF91

accent

#C150D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4256BB

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

Preview Lab → · Contrast checker → · Palette generator →