#403ABC#403ABC

#403ABC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.196 H 276.9°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#403ABC
RGB	rgb(64, 58, 188)
HSL	hsl(243, 53%, 48%)
HSV	hsv(243, 69%, 74%)
CMYK	cmyk(66%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(33.45, 42.49, -67.37)
CIE-LCH	lch(33.45, 79.65, 302.24°)
OKLab	oklab(44.42% 0.0235 -0.1945)
OKLCH	oklch(44.42% 0.196 276.9)
XYZ	xyz(12.7016, 7.7459, 48.3929)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403ABC #B6BC3A

analogous

#3A75BC #403ABC #813ABC

triadic

#403ABC #BC403A #3ABC40

tetradic

#403ABC #BC3A75 #B6BC3A #3ABC81

square

#403ABC #BC3A75 #B6BC3A #3ABC81

split-complementary

#403ABC #BC813A #75BC3A

monochromatic

#201D5E #302C8D #403ABC #6964CF #9693DE

Accessibility & contrast

On white

8.24

#403ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#403ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403ABC

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403ABC	#FFFFFF	#000000	##FFFFFF
##403ABC	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #403abc;
/* rgb */ color: rgb(64, 58, 188);
/* oklch */ color: oklch(44.4% 0.196 276.9);

Tailwind

colors: {
  custom: {
    50: '#8471d1',
    500: '#403abc',
    950: '#000000',
  },
}

SCSS

$custom: #403abc;
$custom-light: #8471d1;
$custom-dark: #000000;

JSON

{
  "hex": "#403abc",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 242.769,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44421,
    "c": 0.19591,
    "h": 276.9
  },
  "luminance": 0.07747
}

Semantic roles & 50–950 ramp

primary

#403ABC

secondary

#C6C989

accent

#DC4CD6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #403ABC

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

Preview Lab → · Contrast checker → · Palette generator →