#403B97#403B97

#403B97 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.146 H 280.3°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#403B97
RGB	rgb(64, 59, 151)
HSL	hsl(243, 44%, 41%)
HSV	hsv(243, 61%, 59%)
CMYK	cmyk(57.6%, 60.9%, 0%, 40.8%)
CIE-LAB	lab(30.52, 29.55, -49.97)
CIE-LCH	lch(30.52, 58.06, 300.60°)
OKLab	oklab(41.32% 0.0261 -0.1434)
OKLCH	oklch(41.32% 0.146 280.3)
XYZ	xyz(9.2625, 6.4517, 30.0294)
Luminance	0.0645 (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

#403B97 #92973B

analogous

#3B6497 #403B97 #6E3B97

triadic

#403B97 #97403B #3B9740

tetradic

#403B97 #973B64 #92973B #3B976E

square

#403B97 #973B64 #92973B #3B976E

split-complementary

#403B97 #976E3B #64973B

monochromatic

#1B193F #2D2A6B #403B97 #5953BC #847FCD

Accessibility & contrast

On white

9.17

#403B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#403B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B97

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B97	#FFFFFF	#000000	##FFFFFF
##403B97	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004495

Tritanopia (blue-blind)

#115163

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #403b97;
/* rgb */ color: rgb(64, 59, 151);
/* oklch */ color: oklch(41.3% 0.146 280.3);

Tailwind

colors: {
  custom: {
    50: '#7d71b6',
    500: '#403b97',
    950: '#000000',
  },
}

SCSS

$custom: #403b97;
$custom-light: #7d71b6;
$custom-dark: #000000;

JSON

{
  "hex": "#403b97",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 151
  },
  "hsl": {
    "h": 243.261,
    "s": 43.81,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41319,
    "c": 0.14579,
    "h": 280.3
  },
  "luminance": 0.06452
}

Semantic roles & 50–950 ramp

primary

#403B97

secondary

#B3B777

accent

#D454CD

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #403B97

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

Preview Lab → · Contrast checker → · Palette generator →