#403C83#403C83

#403C83 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 40.0% C 0.116 H 282.4°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#403C83
RGB	rgb(64, 60, 131)
HSL	hsl(243, 37%, 37%)
HSV	hsv(243, 54%, 51%)
CMYK	cmyk(51.1%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(29.31, 22.21, -39.60)
CIE-LCH	lch(29.31, 45.41, 299.29°)
OKLab	oklab(39.95% 0.0247 -0.1129)
OKLCH	oklch(39.95% 0.116 282.4)
XYZ	xyz(7.8257, 5.9600, 22.2064)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C83 #7F833C

analogous

#3C5C83 #403C83 #633C83

triadic

#403C83 #83403C #3C8340

tetradic

#403C83 #833C5C #7F833C #3C8363

square

#403C83 #833C5C #7F833C #3C8363

split-complementary

#403C83 #83633C #5C833C

monochromatic

#17162F #2B2959 #403C83 #554FAD #7C78C1

Accessibility & contrast

On white

9.58

#403C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#403C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C83

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C83	#FFFFFF	#000000	##FFFFFF
##403C83	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184885

Deuteranopia (green-blind)

#124381

Tritanopia (blue-blind)

#274C59

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403c83;
/* rgb */ color: rgb(64, 60, 131);
/* oklch */ color: oklch(40.0% 0.116 282.4);

Tailwind

colors: {
  custom: {
    50: '#7a71a7',
    500: '#403c83',
    950: '#000000',
  },
}

SCSS

$custom: #403c83;
$custom-light: #7a71a7;
$custom-dark: #000000;

JSON

{
  "hex": "#403c83",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 243.38,
    "s": 37.173,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39952,
    "c": 0.11561,
    "h": 282.4
  },
  "luminance": 0.0596
}

Semantic roles & 50–950 ramp

primary

#403C83

secondary

#A8AB70

accent

#CD5BC7

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #403C83

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

Preview Lab → · Contrast checker → · Palette generator →