#403EC9#403EC9

#403EC9 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.3% C 0.208 H 275.2°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#403EC9
RGB	rgb(64, 62, 201)
HSL	hsl(241, 56%, 52%)
HSV	hsv(241, 69%, 79%)
CMYK	cmyk(68.2%, 69.2%, 0%, 21.2%)
CIE-LAB	lab(35.50, 44.42, -71.62)
CIE-LCH	lch(35.50, 84.27, 301.81°)
OKLab	oklab(46.26% 0.0189 -0.2069)
OKLCH	oklch(46.26% 0.208 275.2)
XYZ	xyz(14.3761, 8.7510, 56.1785)
Luminance	0.0875 (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

#403EC9 #C7C93E

analogous

#3E82C9 #403EC9 #863EC9

triadic

#403EC9 #C9403E #3EC940

tetradic

#403EC9 #C93E82 #C7C93E #3EC986

square

#403EC9 #C93E82 #C7C93E #3EC986

split-complementary

#403EC9 #C9863E #82C93E

monochromatic

#201F6E #2E2C9E #403EC9 #6F6ED6 #9F9EE4

Accessibility & contrast

On white

7.64

#403EC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#403EC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EC9

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EC9	#FFFFFF	#000000	##FFFFFF
##403EC9	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACD

Deuteranopia (green-blind)

#004DC6

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #403ec9;
/* rgb */ color: rgb(64, 62, 201);
/* oklch */ color: oklch(46.3% 0.208 275.2);

Tailwind

colors: {
  custom: {
    50: '#8774db',
    500: '#403ec9',
    950: '#000000',
  },
}

SCSS

$custom: #403ec9;
$custom-light: #8774db;
$custom-dark: #000000;

JSON

{
  "hex": "#403ec9",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 201
  },
  "hsl": {
    "h": 240.863,
    "s": 56.275,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46262,
    "c": 0.20777,
    "h": 275.2
  },
  "luminance": 0.08752
}

Semantic roles & 50–950 ramp

primary

#403EC9

secondary

#CFD093

accent

#E048DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403EC9

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

Preview Lab → · Contrast checker → · Palette generator →