#403DD9#403DD9

#403DD9 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.7% C 0.228 H 274.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#403DD9
RGB	rgb(64, 61, 217)
HSL	hsl(241, 67%, 55%)
HSV	hsv(241, 72%, 85%)
CMYK	cmyk(70.5%, 71.9%, 0%, 14.9%)
CIE-LAB	lab(36.81, 50.18, -78.72)
CIE-LCH	lch(36.81, 93.35, 302.52°)
OKLab	oklab(47.66% 0.017 -0.2276)
OKLCH	oklch(47.66% 0.228 274.3)
XYZ	xyz(16.3033, 9.4356, 66.5943)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.02

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403DD9 #D6D93D

analogous

#3D88D9 #403DD9 #8E3DD9

triadic

#403DD9 #D9403D #3DD940

tetradic

#403DD9 #D93D88 #D6D93D #3DD98E

square

#403DD9 #D93D88 #D6D93D #3DD98E

split-complementary

#403DD9 #D98E3D #88D93D

monochromatic

#1B1982 #2624B5 #403DD9 #7270E3 #A5A3ED

Accessibility & contrast

On white

7.27

#403DD9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#403DD9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DD9

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DD9	#FFFFFF	#000000	##FFFFFF
##403DD9	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EDE

Deuteranopia (green-blind)

#004FD6

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #403dd9;
/* rgb */ color: rgb(64, 61, 217);
/* oklch */ color: oklch(47.7% 0.228 274.3);

Tailwind

colors: {
  custom: {
    50: '#8a74e6',
    500: '#403dd9',
    950: '#000000',
  },
}

SCSS

$custom: #403dd9;
$custom-light: #8a74e6;
$custom-dark: #000000;

JSON

{
  "hex": "#403dd9",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 217
  },
  "hsl": {
    "h": 241.154,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.47657,
    "c": 0.22827,
    "h": 274.3
  },
  "luminance": 0.09437
}

Semantic roles & 50–950 ramp

primary

#403DD9

secondary

#D9DA98

accent

#EA3EE7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #403DD9

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

Preview Lab → · Contrast checker → · Palette generator →