#403C6A#403C6A

#403C6A is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.077 H 286.1°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#403C6A
RGB	rgb(64, 60, 106)
HSL	hsl(245, 28%, 33%)
HSV	hsv(245, 43%, 42%)
CMYK	cmyk(39.6%, 43.4%, 0%, 58.4%)
CIE-LAB	lab(27.74, 14.14, -26.32)
CIE-LCH	lch(27.74, 29.88, 298.24°)
OKLab	oklab(38.26% 0.0214 -0.074)
OKLCH	oklch(38.26% 0.077 286.1)
XYZ	xyz(6.3310, 5.3621, 14.3343)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C6A #666A3C

analogous

#3C4F6A #403C6A #573C6A

triadic

#403C6A #6A403C #3C6A40

tetradic

#403C6A #6A3C4F #666A3C #3C6A57

square

#403C6A #6A3C4F #666A3C #3C6A57

split-complementary

#403C6A #6A573C #4F6A3C

monochromatic

#11101C #282643 #403C6A #585291 #7771AF

Accessibility & contrast

On white

10.13

#403C6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#403C6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C6A

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C6A	#FFFFFF	#000000	##FFFFFF
##403C6A	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D436C

Deuteranopia (green-blind)

#2C4069

Tritanopia (blue-blind)

#35454E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403c6a;
/* rgb */ color: rgb(64, 60, 106);
/* oklch */ color: oklch(38.3% 0.077 286.1);

Tailwind

colors: {
  custom: {
    50: '#777195',
    500: '#403c6a',
    950: '#000000',
  },
}

SCSS

$custom: #403c6a;
$custom-light: #777195;
$custom-dark: #000000;

JSON

{
  "hex": "#403c6a",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 106
  },
  "hsl": {
    "h": 245.217,
    "s": 27.711,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38261,
    "c": 0.07706,
    "h": 286.1
  },
  "luminance": 0.05362
}

Semantic roles & 50–950 ramp

primary

#403C6A

secondary

#959968

accent

#C464BC

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403C6A

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

Preview Lab → · Contrast checker → · Palette generator →