#403DD3#403DD3

#403DD3 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.1% C 0.221 H 274.7°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#403DD3
RGB	rgb(64, 61, 211)
HSL	hsl(241, 63%, 53%)
HSV	hsv(241, 71%, 83%)
CMYK	cmyk(69.7%, 71.1%, 0%, 17.3%)
CIE-LAB	lab(36.23, 48.25, -76.21)
CIE-LCH	lch(36.23, 90.20, 302.34°)
OKLab	oklab(47.07% 0.018 -0.2203)
OKLCH	oklch(47.07% 0.221 274.7)
XYZ	xyz(15.5371, 9.1291, 62.5587)
Luminance	0.0913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403DD3 #D0D33D

analogous

#3D85D3 #403DD3 #8B3DD3

triadic

#403DD3 #D3403D #3DD340

tetradic

#403DD3 #D33D85 #D0D33D #3DD38B

square

#403DD3 #D33D85 #D0D33D #3DD38B

split-complementary

#403DD3 #D38B3D #85D33D

monochromatic

#1E1C7A #2A27AC #403DD3 #716FDE #A2A1EA

Accessibility & contrast

On white

7.43

#403DD3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#403DD3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DD3

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DD3	#FFFFFF	#000000	##FFFFFF
##403DD3	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD7

Deuteranopia (green-blind)

#004ED0

Tritanopia (blue-blind)

#006784

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #403dd3;
/* rgb */ color: rgb(64, 61, 211);
/* oklch */ color: oklch(47.1% 0.221 274.7);

Tailwind

colors: {
  custom: {
    50: '#8974e2',
    500: '#403dd3',
    950: '#000000',
  },
}

SCSS

$custom: #403dd3;
$custom-light: #8974e2;
$custom-dark: #000000;

JSON

{
  "hex": "#403dd3",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 211
  },
  "hsl": {
    "h": 241.2,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.4707,
    "c": 0.22107,
    "h": 274.7
  },
  "luminance": 0.09131
}

Semantic roles & 50–950 ramp

primary

#403DD3

secondary

#D5D696

accent

#E642E3

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #403DD3

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

Preview Lab → · Contrast checker → · Palette generator →