#403DCF#403DCF

#403DCF is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.7% C 0.216 H 275.0°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#403DCF
RGB	rgb(64, 61, 207)
HSL	hsl(241, 60%, 53%)
HSV	hsv(241, 71%, 81%)
CMYK	cmyk(69.1%, 70.5%, 0%, 18.8%)
CIE-LAB	lab(35.85, 46.96, -74.52)
CIE-LCH	lch(35.85, 88.08, 302.21°)
OKLab	oklab(46.68% 0.0187 -0.2154)
OKLCH	oklch(46.68% 0.216 275)
XYZ	xyz(15.0419, 8.9311, 59.9505)
Luminance	0.0893 (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

#403DCF #CCCF3D

analogous

#3D83CF #403DCF #893DCF

triadic

#403DCF #CF403D #3DCF40

tetradic

#403DCF #CF3D83 #CCCF3D #3DCF89

square

#403DCF #CF3D83 #CCCF3D #3DCF89

split-complementary

#403DCF #CF893D #83CF3D

monochromatic

#1F1D75 #2C29A6 #403DCF #706EDB #A19FE7

Accessibility & contrast

On white

7.54

#403DCF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#403DCF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DCF

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DCF	#FFFFFF	#000000	##FFFFFF
##403DCF	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD3

Deuteranopia (green-blind)

#004ECC

Tritanopia (blue-blind)

#006682

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #403dcf;
/* rgb */ color: rgb(64, 61, 207);
/* oklch */ color: oklch(46.7% 0.216 275.0);

Tailwind

colors: {
  custom: {
    50: '#8874df',
    500: '#403dcf',
    950: '#000000',
  },
}

SCSS

$custom: #403dcf;
$custom-light: #8874df;
$custom-dark: #000000;

JSON

{
  "hex": "#403dcf",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 207
  },
  "hsl": {
    "h": 241.233,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46683,
    "c": 0.21621,
    "h": 275
  },
  "luminance": 0.08932
}

Semantic roles & 50–950 ramp

primary

#403DCF

secondary

#D2D494

accent

#E344E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403DCF

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

Preview Lab → · Contrast checker → · Palette generator →