#403EC8#403EC8

#403EC8 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.2% C 0.207 H 275.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#403EC8
RGB	rgb(64, 62, 200)
HSL	hsl(241, 56%, 51%)
HSV	hsv(241, 69%, 78%)
CMYK	cmyk(68%, 69%, 0%, 21.6%)
CIE-LAB	lab(35.41, 44.09, -71.19)
CIE-LCH	lch(35.41, 83.73, 301.77°)
OKLab	oklab(46.17% 0.0191 -0.2056)
OKLCH	oklch(46.17% 0.207 275.3)
XYZ	xyz(14.2589, 8.7041, 55.5610)
Luminance	0.0871 (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

#403EC8 #C6C83E

analogous

#3E81C8 #403EC8 #853EC8

triadic

#403EC8 #C8403E #3EC840

tetradic

#403EC8 #C83E81 #C6C83E #3EC885

square

#403EC8 #C83E81 #C6C83E #3EC885

split-complementary

#403EC8 #C8853E #81C83E

monochromatic

#201F6D #2E2D9C #403EC8 #6F6ED6 #9E9DE3

Accessibility & contrast

On white

7.66

#403EC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#403EC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EC8

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EC8	#FFFFFF	#000000	##FFFFFF
##403EC8	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CC

Deuteranopia (green-blind)

#004DC5

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #403ec8;
/* rgb */ color: rgb(64, 62, 200);
/* oklch */ color: oklch(46.2% 0.207 275.3);

Tailwind

colors: {
  custom: {
    50: '#8774da',
    500: '#403ec8',
    950: '#000000',
  },
}

SCSS

$custom: #403ec8;
$custom-light: #8774da;
$custom-dark: #000000;

JSON

{
  "hex": "#403ec8",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 200
  },
  "hsl": {
    "h": 240.87,
    "s": 55.645,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46167,
    "c": 0.20653,
    "h": 275.3
  },
  "luminance": 0.08705
}

Semantic roles & 50–950 ramp

primary

#403EC8

secondary

#CECF92

accent

#DF49DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403EC8

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

Preview Lab → · Contrast checker → · Palette generator →