#403AC9#403AC9

#403AC9 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.212 H 275.8°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#403AC9
RGB	rgb(64, 58, 201)
HSL	hsl(243, 57%, 51%)
HSV	hsv(243, 71%, 79%)
CMYK	cmyk(68.2%, 71.1%, 0%, 21.2%)
CIE-LAB	lab(34.66, 46.72, -72.99)
CIE-LCH	lch(34.66, 86.66, 302.62°)
OKLab	oklab(45.66% 0.0214 -0.2109)
OKLCH	oklch(45.66% 0.212 275.8)
XYZ	xyz(14.1666, 8.3319, 56.1087)
Luminance	0.0833 (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

#403AC9 #C3C93A

analogous

#3A7CC9 #403AC9 #873AC9

triadic

#403AC9 #C9403A #3AC940

tetradic

#403AC9 #C93A7C #C3C93A #3AC987

square

#403AC9 #C93A7C #C3C93A #3AC987

split-complementary

#403AC9 #C9873A #7CC93A

monochromatic

#211D6B #2F2B9B #403AC9 #6F6AD6 #9D9AE3

Accessibility & contrast

On white

7.88

#403AC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#403AC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AC9

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AC9	#FFFFFF	#000000	##FFFFFF
##403AC9	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CD

Deuteranopia (green-blind)

#004BC6

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403ac9;
/* rgb */ color: rgb(64, 58, 201);
/* oklch */ color: oklch(45.7% 0.212 275.8);

Tailwind

colors: {
  custom: {
    50: '#8772db',
    500: '#403ac9',
    950: '#000000',
  },
}

SCSS

$custom: #403ac9;
$custom-light: #8772db;
$custom-dark: #000000;

JSON

{
  "hex": "#403ac9",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 201
  },
  "hsl": {
    "h": 242.517,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45663,
    "c": 0.21199,
    "h": 275.8
  },
  "luminance": 0.08333
}

Semantic roles & 50–950 ramp

primary

#403AC9

secondary

#CCCF90

accent

#E048DA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403AC9

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

Preview Lab → · Contrast checker → · Palette generator →