#403CCB#403CCB

#403CCB is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.2% C 0.212 H 275.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#403CCB
RGB	rgb(64, 60, 203)
HSL	hsl(242, 58%, 52%)
HSV	hsv(242, 70%, 80%)
CMYK	cmyk(68.5%, 70.4%, 0%, 20.4%)
CIE-LAB	lab(35.27, 46.23, -73.17)
CIE-LCH	lch(35.27, 86.55, 302.29°)
OKLab	oklab(46.15% 0.0199 -0.2114)
OKLCH	oklch(46.15% 0.212 275.4)
XYZ	xyz(14.5062, 8.6322, 57.3900)
Luminance	0.0863 (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

#403CCB #C7CB3C

analogous

#3C80CB #403CCB #883CCB

triadic

#403CCB #CB403C #3CCB40

tetradic

#403CCB #CB3C80 #C7CB3C #3CCB88

square

#403CCB #CB3C80 #C7CB3C #3CCB88

split-complementary

#403CCB #CB883C #80CB3C

monochromatic

#201E6F #2E2A9F #403CCB #6F6CD8 #9F9DE5

Accessibility & contrast

On white

7.70

#403CCB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#403CCB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403CCB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CCB	#FFFFFF	#000000	##FFFFFF
##403CCB	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CF

Deuteranopia (green-blind)

#004CC8

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #403ccb;
/* rgb */ color: rgb(64, 60, 203);
/* oklch */ color: oklch(46.2% 0.212 275.4);

Tailwind

colors: {
  custom: {
    50: '#8773dc',
    500: '#403ccb',
    950: '#000000',
  },
}

SCSS

$custom: #403ccb;
$custom-light: #8773dc;
$custom-dark: #000000;

JSON

{
  "hex": "#403ccb",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 203
  },
  "hsl": {
    "h": 241.678,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.4615,
    "c": 0.21236,
    "h": 275.4
  },
  "luminance": 0.08634
}

Semantic roles & 50–950 ramp

primary

#403CCB

secondary

#CFD192

accent

#E147DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403CCB

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

Preview Lab → · Contrast checker → · Palette generator →