#403ABE#403ABE

#403ABE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.6% C 0.198 H 276.7°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#403ABE
RGB	rgb(64, 58, 190)
HSL	hsl(243, 53%, 49%)
HSV	hsv(243, 69%, 75%)
CMYK	cmyk(66.3%, 69.5%, 0%, 25.5%)
CIE-LAB	lab(33.63, 43.15, -68.25)
CIE-LCH	lch(33.63, 80.74, 302.30°)
OKLab	oklab(44.61% 0.0232 -0.1971)
OKLCH	oklch(44.61% 0.198 276.7)
XYZ	xyz(12.9186, 7.8327, 49.5363)
Luminance	0.0783 (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

#403ABE #B8BE3A

analogous

#3A76BE #403ABE #823ABE

triadic

#403ABE #BE403A #3ABE40

tetradic

#403ABE #BE3A76 #B8BE3A #3ABE82

square

#403ABE #BE3A76 #B8BE3A #3ABE82

split-complementary

#403ABE #BE823A #76BE3A

monochromatic

#201D60 #302C8F #403ABE #6A65D0 #9794DE

Accessibility & contrast

On white

8.18

#403ABE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#403ABE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403ABE

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403ABE	#FFFFFF	#000000	##FFFFFF
##403ABE	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#0049BC

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #403abe;
/* rgb */ color: rgb(64, 58, 190);
/* oklch */ color: oklch(44.6% 0.198 276.7);

Tailwind

colors: {
  custom: {
    50: '#8571d3',
    500: '#403abe',
    950: '#000000',
  },
}

SCSS

$custom: #403abe;
$custom-light: #8571d3;
$custom-dark: #000000;

JSON

{
  "hex": "#403abe",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 190
  },
  "hsl": {
    "h": 242.727,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4461,
    "c": 0.19842,
    "h": 276.7
  },
  "luminance": 0.07834
}

Semantic roles & 50–950 ramp

primary

#403ABE

secondary

#C7CA8A

accent

#DD4BD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403ABE

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

Preview Lab → · Contrast checker → · Palette generator →