#403D94#403D94

#403D94 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.4% C 0.139 H 280.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#403D94
RGB	rgb(64, 61, 148)
HSL	hsl(242, 42%, 41%)
HSV	hsv(242, 59%, 58%)
CMYK	cmyk(56.8%, 58.8%, 0%, 42%)
CIE-LAB	lab(30.80, 27.26, -47.70)
CIE-LCH	lch(30.80, 54.94, 299.75°)
OKLab	oklab(41.45% 0.0241 -0.1367)
OKLCH	oklch(41.45% 0.139 280)
XYZ	xyz(9.1267, 6.5650, 28.7975)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D94 #91943D

analogous

#3D6594 #403D94 #6B3D94

triadic

#403D94 #94403D #3D9440

tetradic

#403D94 #943D65 #91943D #3D946B

square

#403D94 #943D65 #91943D #3D946B

split-complementary

#403D94 #946B3D #65943D

monochromatic

#1B193D #2D2B69 #403D94 #5955B9 #8381CB

Accessibility & contrast

On white

9.08

#403D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#403D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D94

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D94	#FFFFFF	#000000	##FFFFFF
##403D94	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C97

Deuteranopia (green-blind)

#004592

Tritanopia (blue-blind)

#165162

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #403d94;
/* rgb */ color: rgb(64, 61, 148);
/* oklch */ color: oklch(41.4% 0.139 280.0);

Tailwind

colors: {
  custom: {
    50: '#7d72b4',
    500: '#403d94',
    950: '#000000',
  },
}

SCSS

$custom: #403d94;
$custom-light: #7d72b4;
$custom-dark: #000000;

JSON

{
  "hex": "#403d94",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 148
  },
  "hsl": {
    "h": 242.069,
    "s": 41.627,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41446,
    "c": 0.13885,
    "h": 280
  },
  "luminance": 0.06566
}

Semantic roles & 50–950 ramp

primary

#403D94

secondary

#B3B578

accent

#D156CD

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403D94

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

Preview Lab → · Contrast checker → · Palette generator →