#403ABA#403ABA

#403ABA is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.2% C 0.193 H 277.1°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#403ABA
RGB	rgb(64, 58, 186)
HSL	hsl(243, 52%, 48%)
HSV	hsv(243, 69%, 73%)
CMYK	cmyk(65.6%, 68.8%, 0%, 27.1%)
CIE-LAB	lab(33.26, 41.84, -66.49)
CIE-LCH	lch(33.26, 78.56, 302.18°)
OKLab	oklab(44.23% 0.0237 -0.1919)
OKLCH	oklch(44.23% 0.193 277.1)
XYZ	xyz(12.4875, 7.6602, 47.2654)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403ABA #B4BA3A

analogous

#3A74BA #403ABA #803ABA

triadic

#403ABA #BA403A #3ABA40

tetradic

#403ABA #BA3A74 #B4BA3A #3ABA80

square

#403ABA #BA3A74 #B4BA3A #3ABA80

split-complementary

#403ABA #BA803A #74BA3A

monochromatic

#201D5D #302B8B #403ABA #6863CE #9592DD

Accessibility & contrast

On white

8.29

#403ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#403ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403ABA

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403ABA	#FFFFFF	#000000	##FFFFFF
##403ABA	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #403aba;
/* rgb */ color: rgb(64, 58, 186);
/* oklch */ color: oklch(44.2% 0.193 277.1);

Tailwind

colors: {
  custom: {
    50: '#8471d0',
    500: '#403aba',
    950: '#000000',
  },
}

SCSS

$custom: #403aba;
$custom-light: #8471d0;
$custom-dark: #000000;

JSON

{
  "hex": "#403aba",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 186
  },
  "hsl": {
    "h": 242.813,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44234,
    "c": 0.19339,
    "h": 277.1
  },
  "luminance": 0.07661
}

Semantic roles & 50–950 ramp

primary

#403ABA

secondary

#C5C888

accent

#DC4CD5

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #403ABA

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

Preview Lab → · Contrast checker → · Palette generator →