#403B93#403B93

#403B93 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.140 H 280.8°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#403B93
RGB	rgb(64, 59, 147)
HSL	hsl(243, 43%, 40%)
HSV	hsv(243, 60%, 58%)
CMYK	cmyk(56.5%, 59.9%, 0%, 42.4%)
CIE-LAB	lab(30.22, 28.21, -48.03)
CIE-LCH	lch(30.22, 55.70, 300.43°)
OKLab	oklab(40.99% 0.0262 -0.1377)
OKLCH	oklch(40.99% 0.14 280.8)
XYZ	xyz(8.9431, 6.3239, 28.3475)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B93 #8E933B

analogous

#3B6293 #403B93 #6C3B93

triadic

#403B93 #93403B #3B9340

tetradic

#403B93 #933B62 #8E933B #3B936C

square

#403B93 #933B62 #8E933B #3B936C

split-complementary

#403B93 #936C3B #62933B

monochromatic

#1A183C #2D2967 #403B93 #5852B9 #827DCB

Accessibility & contrast

On white

9.27

#403B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#403B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B93

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B93	#FFFFFF	#000000	##FFFFFF
##403B93	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A96

Deuteranopia (green-blind)

#004491

Tritanopia (blue-blind)

#185061

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #403b93;
/* rgb */ color: rgb(64, 59, 147);
/* oklch */ color: oklch(41.0% 0.140 280.8);

Tailwind

colors: {
  custom: {
    50: '#7d71b3',
    500: '#403b93',
    950: '#000000',
  },
}

SCSS

$custom: #403b93;
$custom-light: #7d71b3;
$custom-dark: #000000;

JSON

{
  "hex": "#403b93",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 147
  },
  "hsl": {
    "h": 243.409,
    "s": 42.718,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40994,
    "c": 0.14019,
    "h": 280.8
  },
  "luminance": 0.06325
}

Semantic roles & 50–950 ramp

primary

#403B93

secondary

#B1B575

accent

#D255CB

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #403B93

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

Preview Lab → · Contrast checker → · Palette generator →