#403D84#403D84

#403D84 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 40.2% C 0.116 H 281.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#403D84
RGB	rgb(64, 61, 132)
HSL	hsl(243, 37%, 38%)
HSV	hsv(243, 54%, 52%)
CMYK	cmyk(51.5%, 53.8%, 0%, 48.2%)
CIE-LAB	lab(29.65, 21.89, -39.69)
CIE-LCH	lch(29.65, 45.32, 298.87°)
OKLab	oklab(40.22% 0.0236 -0.1132)
OKLCH	oklch(40.22% 0.116 281.8)
XYZ	xyz(7.9467, 6.0930, 22.5827)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D84 #81843D

analogous

#3D5D84 #403D84 #633D84

triadic

#403D84 #84403D #3D8440

tetradic

#403D84 #843D5D #81843D #3D8463

square

#403D84 #843D5D #81843D #3D8463

split-complementary

#403D84 #84633D #5D843D

monochromatic

#171630 #2C2A5A #403D84 #5450AE #7D7AC1

Accessibility & contrast

On white

9.47

#403D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#403D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D84

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D84	#FFFFFF	#000000	##FFFFFF
##403D84	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194886

Deuteranopia (green-blind)

#134382

Tritanopia (blue-blind)

#264D5A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #403d84;
/* rgb */ color: rgb(64, 61, 132);
/* oklch */ color: oklch(40.2% 0.116 281.8);

Tailwind

colors: {
  custom: {
    50: '#7a72a8',
    500: '#403d84',
    950: '#000000',
  },
}

SCSS

$custom: #403d84;
$custom-light: #7a72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#403d84",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 132
  },
  "hsl": {
    "h": 242.535,
    "s": 36.788,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40224,
    "c": 0.1156,
    "h": 281.8
  },
  "luminance": 0.06093
}

Semantic roles & 50–950 ramp

primary

#403D84

secondary

#A9AB71

accent

#CD5BC8

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #403D84

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

Preview Lab → · Contrast checker → · Palette generator →