#403D97#403D97

#403D97 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.143 H 279.7°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#403D97
RGB	rgb(64, 61, 151)
HSL	hsl(242, 42%, 42%)
HSV	hsv(242, 60%, 59%)
CMYK	cmyk(57.6%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(31.02, 28.27, -49.16)
CIE-LCH	lch(31.02, 56.71, 299.90°)
OKLab	oklab(41.69% 0.0241 -0.141)
OKLCH	oklch(41.69% 0.143 279.7)
XYZ	xyz(9.3673, 6.6612, 30.0643)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.57

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D97 #94973D

analogous

#3D6797 #403D97 #6D3D97

triadic

#403D97 #97403D #3D9740

tetradic

#403D97 #973D67 #94973D #3D976D

square

#403D97 #973D67 #94973D #3D976D

split-complementary

#403D97 #976D3D #67973D

monochromatic

#1B1A40 #2E2B6B #403D97 #5A56BB #8482CC

Accessibility & contrast

On white

9.00

#403D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#403D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D97

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D97	#FFFFFF	#000000	##FFFFFF
##403D97	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9A

Deuteranopia (green-blind)

#004695

Tritanopia (blue-blind)

#115264

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #403d97;
/* rgb */ color: rgb(64, 61, 151);
/* oklch */ color: oklch(41.7% 0.143 279.7);

Tailwind

colors: {
  custom: {
    50: '#7d72b6',
    500: '#403d97',
    950: '#000000',
  },
}

SCSS

$custom: #403d97;
$custom-light: #7d72b6;
$custom-dark: #000000;

JSON

{
  "hex": "#403d97",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 242,
    "s": 42.453,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41687,
    "c": 0.14308,
    "h": 279.7
  },
  "luminance": 0.06662
}

Semantic roles & 50–950 ramp

primary

#403D97

secondary

#B4B779

accent

#D256CE

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #403D97

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

Preview Lab → · Contrast checker → · Palette generator →