#403FCE#403FCE

#403FCE is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.9% C 0.213 H 274.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#403FCE
RGB	rgb(64, 63, 206)
HSL	hsl(240, 59%, 53%)
HSV	hsv(240, 69%, 81%)
CMYK	cmyk(68.9%, 69.4%, 0%, 19.2%)
CIE-LAB	lab(36.18, 45.48, -73.41)
CIE-LCH	lch(36.18, 86.36, 301.78°)
OKLab	oklab(46.89% 0.0176 -0.2121)
OKLCH	oklch(46.89% 0.213 274.7)
XYZ	xyz(15.0288, 9.0998, 59.3450)
Luminance	0.0910 (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

#403FCE #CDCE3F

analogous

#3F85CE #403FCE #883FCE

triadic

#403FCE #CE403F #3FCE40

tetradic

#403FCE #CE3F85 #CDCE3F #3FCE88

square

#403FCE #CE3F85 #CDCE3F #3FCE88

split-complementary

#403FCE #CE883F #85CE3F

monochromatic

#1E1E75 #2B2AA6 #403FCE #7170DA #A1A1E7

Accessibility & contrast

On white

7.45

#403FCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#403FCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403FCE

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FCE	#FFFFFF	#000000	##FFFFFF
##403FCE	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#004ECB

Tritanopia (blue-blind)

#006682

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #403fce;
/* rgb */ color: rgb(64, 63, 206);
/* oklch */ color: oklch(46.9% 0.213 274.7);

Tailwind

colors: {
  custom: {
    50: '#8875de',
    500: '#403fce',
    950: '#000000',
  },
}

SCSS

$custom: #403fce;
$custom-light: #8875de;
$custom-dark: #000000;

JSON

{
  "hex": "#403fce",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 206
  },
  "hsl": {
    "h": 240.42,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46888,
    "c": 0.21288,
    "h": 274.7
  },
  "luminance": 0.09101
}

Semantic roles & 50–950 ramp

primary

#403FCE

secondary

#D3D395

accent

#E345E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403FCE

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

Preview Lab → · Contrast checker → · Palette generator →