#403D96#403D96

#403D96 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.142 H 279.8°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#403D96
RGB	rgb(64, 61, 150)
HSL	hsl(242, 42%, 41%)
HSV	hsv(242, 59%, 59%)
CMYK	cmyk(57.3%, 59.3%, 0%, 41.2%)
CIE-LAB	lab(30.95, 27.93, -48.67)
CIE-LCH	lch(30.95, 56.12, 299.85°)
OKLab	oklab(41.61% 0.0241 -0.1396)
OKLCH	oklch(41.61% 0.142 279.8)
XYZ	xyz(9.2864, 6.6289, 29.6384)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D96 #93963D

analogous

#3D6796 #403D96 #6D3D96

triadic

#403D96 #96403D #3D9640

tetradic

#403D96 #963D67 #93963D #3D966D

square

#403D96 #963D67 #93963D #3D966D

split-complementary

#403D96 #966D3D #67963D

monochromatic

#1B1A3F #2D2B6A #403D96 #5956BA #8481CC

Accessibility & contrast

On white

9.03

#403D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#403D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D96

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D96	#FFFFFF	#000000	##FFFFFF
##403D96	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#004594

Tritanopia (blue-blind)

#125263

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #403d96;
/* rgb */ color: rgb(64, 61, 150);
/* oklch */ color: oklch(41.6% 0.142 279.8);

Tailwind

colors: {
  custom: {
    50: '#7d72b6',
    500: '#403d96',
    950: '#000000',
  },
}

SCSS

$custom: #403d96;
$custom-light: #7d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#403d96",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 150
  },
  "hsl": {
    "h": 242.022,
    "s": 42.18,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41606,
    "c": 0.14167,
    "h": 279.8
  },
  "luminance": 0.06629
}

Semantic roles & 50–950 ramp

primary

#403D96

secondary

#B4B679

accent

#D256CE

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403D96

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

Preview Lab → · Contrast checker → · Palette generator →