#403DC9#403DC9

#403DC9 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.1% C 0.209 H 275.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#403DC9
RGB	rgb(64, 61, 201)
HSL	hsl(241, 56%, 51%)
HSV	hsv(241, 70%, 79%)
CMYK	cmyk(68.2%, 69.7%, 0%, 21.2%)
CIE-LAB	lab(35.29, 45.00, -71.97)
CIE-LCH	lch(35.29, 84.88, 302.02°)
OKLab	oklab(46.11% 0.0196 -0.2079)
OKLCH	oklch(46.11% 0.209 275.4)
XYZ	xyz(14.3222, 8.6432, 56.1605)
Luminance	0.0864 (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

#403DC9 #C6C93D

analogous

#3D80C9 #403DC9 #863DC9

triadic

#403DC9 #C9403D #3DC940

tetradic

#403DC9 #C93D80 #C6C93D #3DC986

square

#403DC9 #C93D80 #C6C93D #3DC986

split-complementary

#403DC9 #C9863D #80C93D

monochromatic

#201E6D #2E2C9D #403DC9 #6F6DD6 #9E9DE4

Accessibility & contrast

On white

7.70

#403DC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#403DC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403DC9

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403DC9	#FFFFFF	#000000	##FFFFFF
##403DC9	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)

#0059CD

Deuteranopia (green-blind)

#004DC6

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #403dc9;
/* rgb */ color: rgb(64, 61, 201);
/* oklch */ color: oklch(46.1% 0.209 275.4);

Tailwind

colors: {
  custom: {
    50: '#8774db',
    500: '#403dc9',
    950: '#000000',
  },
}

SCSS

$custom: #403dc9;
$custom-light: #8774db;
$custom-dark: #000000;

JSON

{
  "hex": "#403dc9",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 201
  },
  "hsl": {
    "h": 241.286,
    "s": 56.452,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46109,
    "c": 0.20885,
    "h": 275.4
  },
  "luminance": 0.08645
}

Semantic roles & 50–950 ramp

primary

#403DC9

secondary

#CED092

accent

#E048DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403DC9

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

Preview Lab → · Contrast checker → · Palette generator →