#403AE3#403AE3

#403AE3 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.2% C 0.243 H 273.9°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#403AE3
RGB	rgb(64, 58, 227)
HSL	hsl(242, 75%, 56%)
HSV	hsv(242, 74%, 89%)
CMYK	cmyk(71.8%, 74.4%, 0%, 11%)
CIE-LAB	lab(37.23, 54.96, -83.76)
CIE-LCH	lch(37.23, 100.18, 303.27°)
OKLab	oklab(48.25% 0.0167 -0.2423)
OKLCH	oklch(48.25% 0.243 273.9)
XYZ	xyz(17.4879, 9.6604, 73.6012)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403AE3 #DDE33A

analogous

#3A88E3 #403AE3 #943AE3

triadic

#403AE3 #E3403A #3AE340

tetradic

#403AE3 #E33A88 #DDE33A #3AE394

square

#403AE3 #E33A88 #DDE33A #3AE394

split-complementary

#403AE3 #E3943A #88E33A

monochromatic

#19148E #221CC4 #403AE3 #7470EB #A8A5F2

Accessibility & contrast

On white

7.16

#403AE3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#403AE3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AE3

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AE3	#FFFFFF	#000000	##FFFFFF
##403AE3	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FE8

Deuteranopia (green-blind)

#0050E0

Tritanopia (blue-blind)

#006C8C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #403ae3;
/* rgb */ color: rgb(64, 58, 227);
/* oklch */ color: oklch(48.2% 0.243 273.9);

Tailwind

colors: {
  custom: {
    50: '#8d73ed',
    500: '#403ae3',
    950: '#000000',
  },
}

SCSS

$custom: #403ae3;
$custom-light: #8d73ed;
$custom-dark: #000000;

JSON

{
  "hex": "#403ae3",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 227
  },
  "hsl": {
    "h": 242.13,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.48248,
    "c": 0.24286,
    "h": 273.9
  },
  "luminance": 0.09662
}

Semantic roles & 50–950 ramp

primary

#403AE3

secondary

#DDDF99

accent

#F236EB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #403AE3

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

Preview Lab → · Contrast checker → · Palette generator →