#403ABD#403ABD

#403ABD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.197 H 276.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#403ABD
RGB	rgb(64, 58, 189)
HSL	hsl(243, 53%, 48%)
HSV	hsv(243, 69%, 74%)
CMYK	cmyk(66.1%, 69.3%, 0%, 25.9%)
CIE-LAB	lab(33.54, 42.82, -67.81)
CIE-LCH	lch(33.54, 80.20, 302.27°)
OKLab	oklab(44.52% 0.0233 -0.1958)
OKLCH	oklch(44.52% 0.197 276.8)
XYZ	xyz(12.8097, 7.7891, 48.9626)
Luminance	0.0779 (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

#403ABD #B7BD3A

analogous

#3A75BD #403ABD #813ABD

triadic

#403ABD #BD403A #3ABD40

tetradic

#403ABD #BD3A75 #B7BD3A #3ABD81

square

#403ABD #BD3A75 #B7BD3A #3ABD81

split-complementary

#403ABD #BD813A #75BD3A

monochromatic

#201D5F #302C8E #403ABD #6965D0 #9793DE

Accessibility & contrast

On white

8.21

#403ABD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#403ABD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403ABD

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403ABD	#FFFFFF	#000000	##FFFFFF
##403ABD	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0049BB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #403abd;
/* rgb */ color: rgb(64, 58, 189);
/* oklch */ color: oklch(44.5% 0.197 276.8);

Tailwind

colors: {
  custom: {
    50: '#8571d2',
    500: '#403abd',
    950: '#000000',
  },
}

SCSS

$custom: #403abd;
$custom-light: #8571d2;
$custom-dark: #000000;

JSON

{
  "hex": "#403abd",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 189
  },
  "hsl": {
    "h": 242.748,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44515,
    "c": 0.19716,
    "h": 276.8
  },
  "luminance": 0.0779
}

Semantic roles & 50–950 ramp

primary

#403ABD

secondary

#C6C98A

accent

#DC4BD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403ABD

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

Preview Lab → · Contrast checker → · Palette generator →