#403D7A#403D7A

#403D7A is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.5% C 0.101 H 283.0°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#403D7A
RGB	rgb(64, 61, 122)
HSL	hsl(243, 33%, 36%)
HSV	hsv(243, 50%, 48%)
CMYK	cmyk(47.5%, 50%, 0%, 52.2%)
CIE-LAB	lab(28.99, 18.58, -34.49)
CIE-LCH	lch(28.99, 39.18, 298.31°)
OKLab	oklab(39.52% 0.0226 -0.0979)
OKLCH	oklch(39.52% 0.101 283)
XYZ	xyz(7.2949, 5.8323, 19.1499)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D7A #777A3D

analogous

#3D587A #403D7A #5E3D7A

triadic

#403D7A #7A403D #3D7A40

tetradic

#403D7A #7A3D58 #777A3D #3D7A5E

square

#403D7A #7A3D58 #777A3D #3D7A5E

split-complementary

#403D7A #7A5E3D #587A3D

monochromatic

#151428 #2B2951 #403D7A #5551A3 #7A77BB

Accessibility & contrast

On white

9.69

#403D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#403D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D7A

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D7A	#FFFFFF	#000000	##FFFFFF
##403D7A	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23467C

Deuteranopia (green-blind)

#204279

Tritanopia (blue-blind)

#2D4A55

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403d7a;
/* rgb */ color: rgb(64, 61, 122);
/* oklch */ color: oklch(39.5% 0.101 283.0);

Tailwind

colors: {
  custom: {
    50: '#7972a1',
    500: '#403d7a',
    950: '#000000',
  },
}

SCSS

$custom: #403d7a;
$custom-light: #7972a1;
$custom-dark: #000000;

JSON

{
  "hex": "#403d7a",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 122
  },
  "hsl": {
    "h": 242.951,
    "s": 33.333,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39515,
    "c": 0.1005,
    "h": 283
  },
  "luminance": 0.05833
}

Semantic roles & 50–950 ramp

primary

#403D7A

secondary

#A2A56E

accent

#C95EC4

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #403D7A

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

Preview Lab → · Contrast checker → · Palette generator →