#403C6B#403C6B

#403C6B is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.3% C 0.079 H 285.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#403C6B
RGB	rgb(64, 60, 107)
HSL	hsl(245, 28%, 33%)
HSV	hsv(245, 44%, 42%)
CMYK	cmyk(40.2%, 43.9%, 0%, 58%)
CIE-LAB	lab(27.80, 14.45, -26.87)
CIE-LCH	lch(27.80, 30.51, 298.26°)
OKLab	oklab(38.32% 0.0216 -0.0756)
OKLCH	oklch(38.32% 0.079 285.9)
XYZ	xyz(6.3833, 5.3830, 14.6098)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C6B #676B3C

analogous

#3C506B #403C6B #573C6B

triadic

#403C6B #6B403C #3C6B40

tetradic

#403C6B #6B3C50 #676B3C #3C6B57

square

#403C6B #6B3C50 #676B3C #3C6B57

split-complementary

#403C6B #6B573C #506B3C

monochromatic

#11101D #292644 #403C6B #575292 #7772B0

Accessibility & contrast

On white

10.11

#403C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#403C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C6B

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C6B	#FFFFFF	#000000	##FFFFFF
##403C6B	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C436D

Deuteranopia (green-blind)

#2B406A

Tritanopia (blue-blind)

#34454E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403c6b;
/* rgb */ color: rgb(64, 60, 107);
/* oklch */ color: oklch(38.3% 0.079 285.9);

Tailwind

colors: {
  custom: {
    50: '#777195',
    500: '#403c6b',
    950: '#000000',
  },
}

SCSS

$custom: #403c6b;
$custom-light: #777195;
$custom-dark: #000000;

JSON

{
  "hex": "#403c6b",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 107
  },
  "hsl": {
    "h": 245.106,
    "s": 28.144,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38323,
    "c": 0.07866,
    "h": 285.9
  },
  "luminance": 0.05383
}

Semantic roles & 50–950 ramp

primary

#403C6B

secondary

#969A69

accent

#C463BC

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403C6B

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

Preview Lab → · Contrast checker → · Palette generator →