#403DA2#403DA2

#403DA2 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.158 H 278.6°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#403DA2
RGB	rgb(64, 61, 162)
HSL	hsl(242, 45%, 44%)
HSV	hsv(242, 62%, 64%)
CMYK	cmyk(60.5%, 62.3%, 0%, 36.5%)
CIE-LAB	lab(31.89, 31.99, -54.43)
CIE-LCH	lch(31.89, 63.13, 300.44°)
OKLab	oklab(42.6% 0.0237 -0.1565)
OKLCH	oklch(42.6% 0.158 278.6)
XYZ	xyz(10.3026, 7.0354, 34.9905)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403DA2 #9FA23D

analogous

#3D6CA2 #403DA2 #723DA2

triadic

#403DA2 #A2403D #3DA240

tetradic

#403DA2 #A23D6C #9FA23D #3DA272

square

#403DA2 #A23D6C #9FA23D #3DA272

split-complementary

#403DA2 #A2723D #6CA23D

monochromatic

#1D1C49 #2E2C76 #403DA2 #5E5BC1 #8A87D2

Accessibility & contrast

On white

8.72

#403DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#403DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DA2

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DA2	#FFFFFF	#000000	##FFFFFF
##403DA2	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA5

Deuteranopia (green-blind)

#0047A0

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #403da2;
/* rgb */ color: rgb(64, 61, 162);
/* oklch */ color: oklch(42.6% 0.158 278.6);

Tailwind

colors: {
  custom: {
    50: '#7f73be',
    500: '#403da2',
    950: '#000000',
  },
}

SCSS

$custom: #403da2;
$custom-light: #7f73be;
$custom-dark: #000000;

JSON

{
  "hex": "#403da2",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 162
  },
  "hsl": {
    "h": 241.782,
    "s": 45.291,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42595,
    "c": 0.1583,
    "h": 278.6
  },
  "luminance": 0.07036
}

Semantic roles & 50–950 ramp

primary

#403DA2

secondary

#BBBC7E

accent

#D553D1

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #403DA2

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

Preview Lab → · Contrast checker → · Palette generator →