#403AA2#403AA2

#403AA2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.162 H 279.4°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#403AA2
RGB	rgb(64, 58, 162)
HSL	hsl(243, 47%, 43%)
HSV	hsv(243, 64%, 64%)
CMYK	cmyk(60.5%, 64.2%, 0%, 36.5%)
CIE-LAB	lab(31.17, 33.87, -55.60)
CIE-LCH	lch(31.17, 65.10, 301.35°)
OKLab	oklab(42.07% 0.0265 -0.16)
OKLCH	oklch(42.07% 0.162 279.4)
XYZ	xyz(10.1469, 6.7240, 34.9386)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403AA2 #9CA23A

analogous

#3A68A2 #403AA2 #743AA2

triadic

#403AA2 #A2403A #3AA240

tetradic

#403AA2 #A23A68 #9CA23A #3AA274

square

#403AA2 #A23A68 #9CA23A #3AA274

split-complementary

#403AA2 #A2743A #68A23A

monochromatic

#1C1A48 #2E2A75 #403AA2 #5D57C3 #8884D3

Accessibility & contrast

On white

8.96

#403AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#403AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AA2

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AA2	#FFFFFF	#000000	##FFFFFF
##403AA2	1.00	8.96	2.35	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA5

Deuteranopia (green-blind)

#0045A0

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #403aa2;
/* rgb */ color: rgb(64, 58, 162);
/* oklch */ color: oklch(42.1% 0.162 279.4);

Tailwind

colors: {
  custom: {
    50: '#7f71be',
    500: '#403aa2',
    950: '#000000',
  },
}

SCSS

$custom: #403aa2;
$custom-light: #7f71be;
$custom-dark: #000000;

JSON

{
  "hex": "#403aa2",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 162
  },
  "hsl": {
    "h": 243.462,
    "s": 47.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4207,
    "c": 0.16215,
    "h": 279.4
  },
  "luminance": 0.06725
}

Semantic roles & 50–950 ramp

primary

#403AA2

secondary

#B9BD7B

accent

#D751CF

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #403AA2

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

Preview Lab → · Contrast checker → · Palette generator →