#403EA2#403EA2

#403EA2 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.157 H 278.3°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#403EA2
RGB	rgb(64, 62, 162)
HSL	hsl(241, 45%, 44%)
HSV	hsv(241, 62%, 64%)
CMYK	cmyk(60.5%, 61.7%, 0%, 36.5%)
CIE-LAB	lab(32.13, 31.36, -54.03)
CIE-LCH	lch(32.13, 62.47, 300.13°)
OKLab	oklab(42.77% 0.0227 -0.1553)
OKLCH	oklch(42.77% 0.157 278.3)
XYZ	xyz(10.3565, 7.1431, 35.0084)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403EA2 #A0A23E

analogous

#3E6EA2 #403EA2 #723EA2

triadic

#403EA2 #A2403E #3EA240

tetradic

#403EA2 #A23E6E #A0A23E #3EA272

square

#403EA2 #A23E6E #A0A23E #3EA272

split-complementary

#403EA2 #A2723E #6EA23E

monochromatic

#1D1C49 #2F2D76 #403EA2 #5E5CC1 #8A89D2

Accessibility & contrast

On white

8.65

#403EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#403EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EA2

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EA2	#FFFFFF	#000000	##FFFFFF
##403EA2	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A5

Deuteranopia (green-blind)

#0047A0

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #403ea2;
/* rgb */ color: rgb(64, 62, 162);
/* oklch */ color: oklch(42.8% 0.157 278.3);

Tailwind

colors: {
  custom: {
    50: '#7f73be',
    500: '#403ea2',
    950: '#000000',
  },
}

SCSS

$custom: #403ea2;
$custom-light: #7f73be;
$custom-dark: #000000;

JSON

{
  "hex": "#403ea2",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 162
  },
  "hsl": {
    "h": 241.2,
    "s": 44.643,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42774,
    "c": 0.15701,
    "h": 278.3
  },
  "luminance": 0.07144
}

Semantic roles & 50–950 ramp

primary

#403EA2

secondary

#BBBC80

accent

#D453D2

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #403EA2

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

Preview Lab → · Contrast checker → · Palette generator →