#403EBC#403EBC

#403EBC is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.1% C 0.191 H 276.2°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#403EBC
RGB	rgb(64, 62, 188)
HSL	hsl(241, 50%, 49%)
HSV	hsv(241, 67%, 74%)
CMYK	cmyk(66%, 67%, 0%, 26.3%)
CIE-LAB	lab(34.32, 40.11, -65.94)
CIE-LCH	lch(34.32, 77.18, 301.31°)
OKLab	oklab(45.05% 0.0206 -0.1903)
OKLCH	oklch(45.05% 0.191 276.2)
XYZ	xyz(12.9111, 8.1650, 48.4628)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.41

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403EBC #BABC3E

analogous

#3E7BBC #403EBC #7F3EBC

triadic

#403EBC #BC403E #3EBC40

tetradic

#403EBC #BC3E7B #BABC3E #3EBC7F

square

#403EBC #BC3E7B #BABC3E #3EBC7F

split-complementary

#403EBC #BC7F3E #7BBC3E

monochromatic

#212060 #302F8E #403EBC #6B6ACE #9998DD

Accessibility & contrast

On white

7.98

#403EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#403EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EBC

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EBC	#FFFFFF	#000000	##FFFFFF
##403EBC	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403ebc;
/* rgb */ color: rgb(64, 62, 188);
/* oklch */ color: oklch(45.1% 0.191 276.2);

Tailwind

colors: {
  custom: {
    50: '#8474d1',
    500: '#403ebc',
    950: '#000000',
  },
}

SCSS

$custom: #403ebc;
$custom-light: #8474d1;
$custom-dark: #000000;

JSON

{
  "hex": "#403ebc",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 240.952,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45054,
    "c": 0.1914,
    "h": 276.2
  },
  "luminance": 0.08166
}

Semantic roles & 50–950 ramp

primary

#403EBC

secondary

#C8C98D

accent

#DA4ED8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403EBC

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

Preview Lab → · Contrast checker → · Palette generator →