#403CDB#403CDB

#403CDB is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.7% C 0.232 H 274.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#403CDB
RGB	rgb(64, 60, 219)
HSL	hsl(242, 69%, 55%)
HSV	hsv(242, 73%, 86%)
CMYK	cmyk(70.8%, 72.6%, 0%, 14.1%)
CIE-LAB	lab(36.81, 51.37, -79.87)
CIE-LCH	lch(36.81, 94.96, 302.75°)
OKLab	oklab(47.71% 0.0172 -0.231)
OKLCH	oklch(47.71% 0.232 274.3)
XYZ	xyz(16.5121, 9.4346, 67.9549)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.02

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403CDB #D7DB3C

analogous

#3C88DB #403CDB #8F3CDB

triadic

#403CDB #DB403C #3CDB40

tetradic

#403CDB #DB3C88 #D7DB3C #3CDB8F

square

#403CDB #DB3C88 #D7DB3C #3CDB8F

split-complementary

#403CDB #DB8F3C #88DB3C

monochromatic

#1B1884 #2622B8 #403CDB #7370E5 #A5A3EE

Accessibility & contrast

On white

7.27

#403CDB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#403CDB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CDB

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CDB	#FFFFFF	#000000	##FFFFFF
##403CDB	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EE0

Deuteranopia (green-blind)

#004FD8

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #403cdb;
/* rgb */ color: rgb(64, 60, 219);
/* oklch */ color: oklch(47.7% 0.232 274.3);

Tailwind

colors: {
  custom: {
    50: '#8b74e8',
    500: '#403cdb',
    950: '#000000',
  },
}

SCSS

$custom: #403cdb;
$custom-light: #8b74e8;
$custom-dark: #000000;

JSON

{
  "hex": "#403cdb",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 219
  },
  "hsl": {
    "h": 241.509,
    "s": 68.831,
    "l": 54.706
  },
  "oklch": {
    "l": 0.47714,
    "c": 0.23162,
    "h": 274.3
  },
  "luminance": 0.09436
}

Semantic roles & 50–950 ramp

primary

#403CDB

secondary

#D9DB98

accent

#EC3CE7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #403CDB

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

Preview Lab → · Contrast checker → · Palette generator →