#403DC7#403DC7

#403DC7 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.9% C 0.206 H 275.5°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#403DC7
RGB	rgb(64, 61, 199)
HSL	hsl(241, 55%, 51%)
HSV	hsv(241, 69%, 78%)
CMYK	cmyk(67.8%, 69.3%, 0%, 22%)
CIE-LAB	lab(35.10, 44.34, -71.11)
CIE-LCH	lch(35.10, 83.80, 301.95°)
OKLab	oklab(45.92% 0.0199 -0.2054)
OKLCH	oklch(45.92% 0.206 275.5)
XYZ	xyz(14.0885, 8.5497, 54.9296)
Luminance	0.0855 (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

#403DC7 #C4C73D

analogous

#3D7FC7 #403DC7 #853DC7

triadic

#403DC7 #C7403D #3DC740

tetradic

#403DC7 #C73D7F #C4C73D #3DC785

square

#403DC7 #C73D7F #C4C73D #3DC785

split-complementary

#403DC7 #C7853D #7FC73D

monochromatic

#201F6B #2F2D9A #403DC7 #6F6CD5 #9E9CE2

Accessibility & contrast

On white

7.75

#403DC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#403DC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DC7

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DC7	#FFFFFF	#000000	##FFFFFF
##403DC7	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CB

Deuteranopia (green-blind)

#004CC4

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #403dc7;
/* rgb */ color: rgb(64, 61, 199);
/* oklch */ color: oklch(45.9% 0.206 275.5);

Tailwind

colors: {
  custom: {
    50: '#8674d9',
    500: '#403dc7',
    950: '#000000',
  },
}

SCSS

$custom: #403dc7;
$custom-light: #8674d9;
$custom-dark: #000000;

JSON

{
  "hex": "#403dc7",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 199
  },
  "hsl": {
    "h": 241.304,
    "s": 55.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.4592,
    "c": 0.20637,
    "h": 275.5
  },
  "luminance": 0.08551
}

Semantic roles & 50–950 ramp

primary

#403DC7

secondary

#CDCE91

accent

#DF49DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403DC7

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

Preview Lab → · Contrast checker → · Palette generator →