#403D7D#403D7D

#403D7D is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.7% C 0.105 H 282.6°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#403D7D
RGB	rgb(64, 61, 125)
HSL	hsl(243, 34%, 36%)
HSV	hsv(243, 51%, 49%)
CMYK	cmyk(48.8%, 51.2%, 0%, 51%)
CIE-LAB	lab(29.18, 19.57, -36.07)
CIE-LCH	lch(29.18, 41.03, 298.48°)
OKLab	oklab(39.72% 0.023 -0.1025)
OKLCH	oklch(39.72% 0.105 282.6)
XYZ	xyz(7.4837, 5.9078, 20.1441)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D7D #7A7D3D

analogous

#3D5A7D #403D7D #603D7D

triadic

#403D7D #7D403D #3D7D40

tetradic

#403D7D #7D3D5A #7A7D3D #3D7D60

square

#403D7D #7D3D5A #7A7D3D #3D7D60

split-complementary

#403D7D #7D603D #5A7D3D

monochromatic

#16152B #2B2954 #403D7D #5551A6 #7B78BD

Accessibility & contrast

On white

9.63

#403D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#403D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D7D

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D7D	#FFFFFF	#000000	##FFFFFF
##403D7D	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21477F

Deuteranopia (green-blind)

#1D437C

Tritanopia (blue-blind)

#2B4B57

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #403d7d;
/* rgb */ color: rgb(64, 61, 125);
/* oklch */ color: oklch(39.7% 0.105 282.6);

Tailwind

colors: {
  custom: {
    50: '#7972a3',
    500: '#403d7d',
    950: '#000000',
  },
}

SCSS

$custom: #403d7d;
$custom-light: #7972a3;
$custom-dark: #000000;

JSON

{
  "hex": "#403d7d",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 242.813,
    "s": 34.409,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39723,
    "c": 0.10508,
    "h": 282.6
  },
  "luminance": 0.05908
}

Semantic roles & 50–950 ramp

primary

#403D7D

secondary

#A4A76F

accent

#CA5DC5

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #403D7D

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

Preview Lab → · Contrast checker → · Palette generator →