#403FED#403FED

#403FED is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.9% C 0.250 H 272.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#403FED
RGB	rgb(64, 63, 237)
HSL	hsl(240, 83%, 59%)
HSV	hsv(240, 73%, 93%)
CMYK	cmyk(73%, 73.4%, 0%, 7.1%)
CIE-LAB	lab(39.17, 55.44, -86.23)
CIE-LCH	lch(39.17, 102.51, 302.74°)
OKLab	oklab(49.92% 0.0127 -0.2495)
OKLCH	oklch(49.92% 0.25 272.9)
XYZ	xyz(19.1728, 10.7574, 81.1703)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403FED #ECED3F

analogous

#3F95ED #403FED #973FED

triadic

#403FED #ED403F #3FED40

tetradic

#403FED #ED3F95 #ECED3F #3FED97

square

#403FED #ED3F95 #ECED3F #3FED97

split-complementary

#403FED #ED973F #95ED3F

monochromatic

#100FA2 #1614DA #403FED #7877F2 #AFAFF7

Accessibility & contrast

On white

6.66

#403FED on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#403FED on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #403FED

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403FED	#FFFFFF	#000000	##FFFFFF
##403FED	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065F2

Deuteranopia (green-blind)

#0054EA

Tritanopia (blue-blind)

#007293

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #403fed;
/* rgb */ color: rgb(64, 63, 237);
/* oklch */ color: oklch(49.9% 0.250 272.9);

Tailwind

colors: {
  custom: {
    50: '#8e76f4',
    500: '#403fed',
    950: '#000000',
  },
}

SCSS

$custom: #403fed;
$custom-light: #8e76f4;
$custom-dark: #000000;

JSON

{
  "hex": "#403fed",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 237
  },
  "hsl": {
    "h": 240.345,
    "s": 82.857,
    "l": 58.824
  },
  "oklch": {
    "l": 0.49922,
    "c": 0.24984,
    "h": 272.9
  },
  "luminance": 0.10759
}

Semantic roles & 50–950 ramp

primary

#403FED

secondary

#E6E6A2

accent

#F92FF8

background

#F9F7FF

surface

#F2EDFF

border

#CCC8D7

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #403FED

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

Preview Lab → · Contrast checker → · Palette generator →