#403AC7#403AC7

#403AC7 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.5% C 0.210 H 276.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#403AC7
RGB	rgb(64, 58, 199)
HSL	hsl(243, 56%, 50%)
HSV	hsv(243, 71%, 78%)
CMYK	cmyk(67.8%, 70.9%, 0%, 22%)
CIE-LAB	lab(34.47, 46.07, -72.14)
CIE-LCH	lch(34.47, 85.60, 302.57°)
OKLab	oklab(45.47% 0.0217 -0.2084)
OKLCH	oklch(45.47% 0.21 276)
XYZ	xyz(13.9328, 8.2384, 54.8777)
Luminance	0.0824 (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

#403AC7 #C1C73A

analogous

#3A7BC7 #403AC7 #863AC7

triadic

#403AC7 #C7403A #3AC740

tetradic

#403AC7 #C73A7B #C1C73A #3AC786

square

#403AC7 #C73A7B #C1C73A #3AC786

split-complementary

#403AC7 #C7863A #7BC73A

monochromatic

#211E69 #302B98 #403AC7 #6E6AD5 #9C99E2

Accessibility & contrast

On white

7.93

#403AC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#403AC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AC7

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AC7	#FFFFFF	#000000	##FFFFFF
##403AC7	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CB

Deuteranopia (green-blind)

#004BC4

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403ac7;
/* rgb */ color: rgb(64, 58, 199);
/* oklch */ color: oklch(45.5% 0.210 276.0);

Tailwind

colors: {
  custom: {
    50: '#8772d9',
    500: '#403ac7',
    950: '#000000',
  },
}

SCSS

$custom: #403ac7;
$custom-light: #8772d9;
$custom-dark: #000000;

JSON

{
  "hex": "#403ac7",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 199
  },
  "hsl": {
    "h": 242.553,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45469,
    "c": 0.20955,
    "h": 276
  },
  "luminance": 0.0824
}

Semantic roles & 50–950 ramp

primary

#403AC7

secondary

#CBCE8F

accent

#DF49D9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403AC7

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

Preview Lab → · Contrast checker → · Palette generator →