#4256BC#4256BC

#4256BC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.5% C 0.161 H 271.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4256BC
RGB	rgb(66, 86, 188)
HSL	hsl(230, 48%, 50%)
HSV	hsv(230, 65%, 74%)
CMYK	cmyk(64.9%, 54.3%, 0%, 26.3%)
CIE-LAB	lab(40.32, 25.33, -56.17)
CIE-LCH	lch(40.32, 61.62, 294.27°)
OKLab	oklab(49.51% 0.0028 -0.1613)
OKLCH	oklch(49.51% 0.161 271)
XYZ	xyz(14.6486, 11.4434, 49.0040)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256BC #BCA842

analogous

#4293BC #4256BC #6B42BC

triadic

#4256BC #BC4256 #56BC42

tetradic

#4256BC #BC4293 #BCA842 #42BC6B

square

#4256BC #BC4293 #BCA842 #42BC6B

split-complementary

#4256BC #BC6B42 #93BC42

monochromatic

#222D61 #32418F #4256BC #6F7ECC #9CA7DC

Accessibility & contrast

On white

6.38

#4256BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4256BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256BC

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256BC	#FFFFFF	#000000	##FFFFFF
##4256BC	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B65C0

Deuteranopia (green-blind)

#005ABA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4256bc;
/* rgb */ color: rgb(66, 86, 188);
/* oklch */ color: oklch(49.5% 0.161 271.0);

Tailwind

colors: {
  custom: {
    50: '#8385d1',
    500: '#4256bc',
    950: '#000000',
  },
}

SCSS

$custom: #4256bc;
$custom-light: #8385d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4256bc",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 188
  },
  "hsl": {
    "h": 230.164,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49514,
    "c": 0.16137,
    "h": 271
  },
  "luminance": 0.11445
}

Semantic roles & 50–950 ramp

primary

#4256BC

secondary

#C9BF91

accent

#C150D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4256BC

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

Preview Lab → · Contrast checker → · Palette generator →