#403D82#403D82

#403D82 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 40.1% C 0.113 H 282.0°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#403D82
RGB	rgb(64, 61, 130)
HSL	hsl(243, 36%, 37%)
HSV	hsv(243, 53%, 51%)
CMYK	cmyk(50.8%, 53.1%, 0%, 49%)
CIE-LAB	lab(29.51, 21.22, -38.66)
CIE-LCH	lch(29.51, 44.10, 298.76°)
OKLab	oklab(40.08% 0.0234 -0.1101)
OKLCH	oklch(40.08% 0.113 282)
XYZ	xyz(7.8111, 6.0388, 21.8688)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D82 #7F823D

analogous

#3D5C82 #403D82 #633D82

triadic

#403D82 #82403D #3D8240

tetradic

#403D82 #823D5C #7F823D #3D8263

square

#403D82 #823D5C #7F823D #3D8263

split-complementary

#403D82 #82633D #5C823D

monochromatic

#17162F #2B2958 #403D82 #5551AC #7C79C0

Accessibility & contrast

On white

9.51

#403D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#403D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D82

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D82	#FFFFFF	#000000	##FFFFFF
##403D82	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4884

Deuteranopia (green-blind)

#164380

Tritanopia (blue-blind)

#284C59

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #403d82;
/* rgb */ color: rgb(64, 61, 130);
/* oklch */ color: oklch(40.1% 0.113 282.0);

Tailwind

colors: {
  custom: {
    50: '#7a72a7',
    500: '#403d82',
    950: '#000000',
  },
}

SCSS

$custom: #403d82;
$custom-light: #7a72a7;
$custom-dark: #000000;

JSON

{
  "hex": "#403d82",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 242.609,
    "s": 36.126,
    "l": 37.451
  },
  "oklch": {
    "l": 0.40079,
    "c": 0.11261,
    "h": 282
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary

#403D82

secondary

#A8AA71

accent

#CC5CC7

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #403D82

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

Preview Lab → · Contrast checker → · Palette generator →