#403BC4#403BC4

#403BC4 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.3% C 0.205 H 276.1°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#403BC4
RGB	rgb(64, 59, 196)
HSL	hsl(242, 54%, 50%)
HSV	hsv(242, 70%, 77%)
CMYK	cmyk(67.3%, 69.9%, 0%, 23.1%)
CIE-LAB	lab(34.40, 44.52, -70.51)
CIE-LCH	lch(34.40, 83.39, 302.27°)
OKLab	oklab(45.33% 0.0216 -0.2037)
OKLCH	oklch(45.33% 0.205 276.1)
XYZ	xyz(13.6389, 8.2022, 53.0783)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403BC4 #BFC43B

analogous

#3B7AC4 #403BC4 #853BC4

triadic

#403BC4 #C4403B #3BC440

tetradic

#403BC4 #C43B7A #BFC43B #3BC485

square

#403BC4 #C43B7A #BFC43B #3BC485

split-complementary

#403BC4 #C4853B #7AC43B

monochromatic

#211F66 #312D95 #403BC4 #6E6AD2 #9C99E0

Accessibility & contrast

On white

7.95

#403BC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#403BC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BC4

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BC4	#FFFFFF	#000000	##FFFFFF
##403BC4	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C8

Deuteranopia (green-blind)

#004BC1

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403bc4;
/* rgb */ color: rgb(64, 59, 196);
/* oklch */ color: oklch(45.3% 0.205 276.1);

Tailwind

colors: {
  custom: {
    50: '#8672d7',
    500: '#403bc4',
    950: '#000000',
  },
}

SCSS

$custom: #403bc4;
$custom-light: #8672d7;
$custom-dark: #000000;

JSON

{
  "hex": "#403bc4",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 196
  },
  "hsl": {
    "h": 242.19,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.45331,
    "c": 0.2048,
    "h": 276.1
  },
  "luminance": 0.08203
}

Semantic roles & 50–950 ramp

primary

#403BC4

secondary

#CACC8F

accent

#DD4BD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #403BC4

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

Preview Lab → · Contrast checker → · Palette generator →