#403BE3#403BE3

#403BE3 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.4% C 0.242 H 273.9°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#403BE3
RGB	rgb(64, 59, 227)
HSL	hsl(242, 75%, 56%)
HSV	hsv(242, 74%, 89%)
CMYK	cmyk(71.8%, 74%, 0%, 11%)
CIE-LAB	lab(37.41, 54.43, -83.45)
CIE-LCH	lch(37.41, 99.63, 303.12°)
OKLab	oklab(48.38% 0.0163 -0.2414)
OKLCH	oklch(48.38% 0.242 273.9)
XYZ	xyz(17.5388, 9.7622, 73.6181)
Luminance	0.0976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403BE3 #DEE33B

analogous

#3B8AE3 #403BE3 #943BE3

triadic

#403BE3 #E3403B #3BE340

tetradic

#403BE3 #E33B8A #DEE33B #3BE394

square

#403BE3 #E33B8A #DEE33B #3BE394

split-complementary

#403BE3 #E3943B #8AE33B

monochromatic

#18148F #211CC5 #403BE3 #7471EB #A8A6F2

Accessibility & contrast

On white

7.11

#403BE3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#403BE3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BE3

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BE3	#FFFFFF	#000000	##FFFFFF
##403BE3	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E8

Deuteranopia (green-blind)

#0050E0

Tritanopia (blue-blind)

#006C8C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #403be3;
/* rgb */ color: rgb(64, 59, 227);
/* oklch */ color: oklch(48.4% 0.242 273.9);

Tailwind

colors: {
  custom: {
    50: '#8c73ed',
    500: '#403be3',
    950: '#000000',
  },
}

SCSS

$custom: #403be3;
$custom-light: #8c73ed;
$custom-dark: #000000;

JSON

{
  "hex": "#403be3",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 227
  },
  "hsl": {
    "h": 241.786,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.4838,
    "c": 0.24195,
    "h": 273.9
  },
  "luminance": 0.09764
}

Semantic roles & 50–950 ramp

primary

#403BE3

secondary

#DEE09A

accent

#F236EC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #403BE3

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

Preview Lab → · Contrast checker → · Palette generator →