#403BD9#403BD9

#403BD9 is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.4% C 0.230 H 274.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#403BD9
RGB	rgb(64, 59, 217)
HSL	hsl(242, 68%, 54%)
HSV	hsv(242, 73%, 85%)
CMYK	cmyk(70.5%, 72.8%, 0%, 14.9%)
CIE-LAB	lab(36.42, 51.28, -79.37)
CIE-LCH	lch(36.42, 94.49, 302.87°)
OKLab	oklab(47.38% 0.0181 -0.2295)
OKLCH	oklch(47.38% 0.23 274.5)
XYZ	xyz(16.1986, 9.2261, 66.5593)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403BD9 #D4D93B

analogous

#3B85D9 #403BD9 #8F3BD9

triadic

#403BD9 #D9403B #3BD940

tetradic

#403BD9 #D93B85 #D4D93B #3BD98F

square

#403BD9 #D93B85 #D4D93B #3BD98F

split-complementary

#403BD9 #D98F3B #85D93B

monochromatic

#1C1981 #2723B4 #403BD9 #726EE3 #A4A2ED

Accessibility & contrast

On white

7.38

#403BD9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#403BD9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BD9

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BD9	#FFFFFF	#000000	##FFFFFF
##403BD9	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DDE

Deuteranopia (green-blind)

#004ED6

Tritanopia (blue-blind)

#006887

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #403bd9;
/* rgb */ color: rgb(64, 59, 217);
/* oklch */ color: oklch(47.4% 0.230 274.5);

Tailwind

colors: {
  custom: {
    50: '#8a73e6',
    500: '#403bd9',
    950: '#000000',
  },
}

SCSS

$custom: #403bd9;
$custom-light: #8a73e6;
$custom-dark: #000000;

JSON

{
  "hex": "#403bd9",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 217
  },
  "hsl": {
    "h": 241.899,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.47377,
    "c": 0.23022,
    "h": 274.5
  },
  "luminance": 0.09228
}

Semantic roles & 50–950 ramp

primary

#403BD9

secondary

#D7DA96

accent

#EA3DE5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #403BD9

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

Preview Lab → · Contrast checker → · Palette generator →