#403D6A#403D6A

#403D6A is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.5% C 0.075 H 285.3°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#403D6A
RGB	rgb(64, 61, 106)
HSL	hsl(244, 27%, 33%)
HSV	hsv(244, 42%, 42%)
CMYK	cmyk(39.6%, 42.5%, 0%, 58.4%)
CIE-LAB	lab(28.03, 13.47, -25.87)
CIE-LCH	lch(28.03, 29.17, 297.50°)
OKLab	oklab(38.48% 0.0199 -0.0727)
OKLCH	oklch(38.48% 0.075 285.3)
XYZ	xyz(6.3839, 5.4679, 14.3519)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D6A #676A3D

analogous

#3D506A #403D6A #563D6A

triadic

#403D6A #6A403D #3D6A40

tetradic

#403D6A #6A3D50 #676A3D #3D6A56

square

#403D6A #6A3D50 #676A3D #3D6A56

split-complementary

#403D6A #6A563D #506A3D

monochromatic

#11101C #292743 #403D6A #575391 #7773AE

Accessibility & contrast

On white

10.03

#403D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#403D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D6A

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D6A	#FFFFFF	#000000	##FFFFFF
##403D6A	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E436C

Deuteranopia (green-blind)

#2D4169

Tritanopia (blue-blind)

#35464E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403d6a;
/* rgb */ color: rgb(64, 61, 106);
/* oklch */ color: oklch(38.5% 0.075 285.3);

Tailwind

colors: {
  custom: {
    50: '#777295',
    500: '#403d6a',
    950: '#000000',
  },
}

SCSS

$custom: #403d6a;
$custom-light: #777295;
$custom-dark: #000000;

JSON

{
  "hex": "#403d6a",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 106
  },
  "hsl": {
    "h": 244,
    "s": 26.946,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38479,
    "c": 0.07539,
    "h": 285.3
  },
  "luminance": 0.05468
}

Semantic roles & 50–950 ramp

primary

#403D6A

secondary

#96996A

accent

#C365BD

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #403D6A

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

Preview Lab → · Contrast checker → · Palette generator →