#403B6D#403B6D

#403B6D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.2% C 0.083 H 286.3°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#403B6D
RGB	rgb(64, 59, 109)
HSL	hsl(246, 30%, 33%)
HSV	hsv(246, 46%, 43%)
CMYK	cmyk(41.3%, 45.9%, 0%, 57.3%)
CIE-LAB	lab(27.63, 15.74, -28.42)
CIE-LCH	lch(27.63, 32.49, 298.99°)
OKLab	oklab(38.23% 0.0235 -0.0801)
OKLCH	oklch(38.23% 0.083 286.3)
XYZ	xyz(6.4379, 5.3218, 15.1530)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B6D #686D3B

analogous

#3B4F6D #403B6D #593B6D

triadic

#403B6D #6D403B #3B6D40

tetradic

#403B6D #6D3B4F #686D3B #3B6D59

square

#403B6D #6D3B4F #686D3B #3B6D59

split-complementary

#403B6D #6D593B #4F6D3B

monochromatic

#11101E #292645 #403B6D #575095 #7771B2

Accessibility & contrast

On white

10.17

#403B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#403B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B6D

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B6D	#FFFFFF	#000000	##FFFFFF
##403B6D	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29436F

Deuteranopia (green-blind)

#28406C

Tritanopia (blue-blind)

#33454E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403b6d;
/* rgb */ color: rgb(64, 59, 109);
/* oklch */ color: oklch(38.2% 0.083 286.3);

Tailwind

colors: {
  custom: {
    50: '#777197',
    500: '#403b6d',
    950: '#000000',
  },
}

SCSS

$custom: #403b6d;
$custom-light: #777197;
$custom-dark: #000000;

JSON

{
  "hex": "#403b6d",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 109
  },
  "hsl": {
    "h": 246,
    "s": 29.762,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38234,
    "c": 0.08349,
    "h": 286.3
  },
  "luminance": 0.05322
}

Semantic roles & 50–950 ramp

primary

#403B6D

secondary

#979C68

accent

#C662BC

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403B6D

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

Preview Lab → · Contrast checker → · Palette generator →