#403E6A#403E6A

#403E6A is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.7% C 0.074 H 284.5°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#403E6A
RGB	rgb(64, 62, 106)
HSL	hsl(243, 26%, 33%)
HSV	hsv(243, 42%, 42%)
CMYK	cmyk(39.6%, 41.5%, 0%, 58.4%)
CIE-LAB	lab(28.32, 12.80, -25.42)
CIE-LCH	lch(28.32, 28.46, 296.73°)
OKLab	oklab(38.7% 0.0184 -0.0714)
OKLCH	oklch(38.7% 0.074 284.5)
XYZ	xyz(6.4378, 5.5756, 14.3699)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E6A #686A3E

analogous

#3E526A #403E6A #563E6A

triadic

#403E6A #6A403E #3E6A40

tetradic

#403E6A #6A3E52 #686A3E #3E6A56

square

#403E6A #6A3E52 #686A3E #3E6A56

split-complementary

#403E6A #6A563E #526A3E

monochromatic

#11111D #292743 #403E6A #575591 #7774AE

Accessibility & contrast

On white

9.93

#403E6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#403E6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E6A

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E6A	#FFFFFF	#000000	##FFFFFF
##403E6A	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F446C

Deuteranopia (green-blind)

#2E4169

Tritanopia (blue-blind)

#34464F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403e6a;
/* rgb */ color: rgb(64, 62, 106);
/* oklch */ color: oklch(38.7% 0.074 284.5);

Tailwind

colors: {
  custom: {
    50: '#777395',
    500: '#403e6a',
    950: '#000000',
  },
}

SCSS

$custom: #403e6a;
$custom-light: #777395;
$custom-dark: #000000;

JSON

{
  "hex": "#403e6a",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 106
  },
  "hsl": {
    "h": 242.727,
    "s": 26.19,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38698,
    "c": 0.07373,
    "h": 284.5
  },
  "luminance": 0.05576
}

Semantic roles & 50–950 ramp

primary

#403E6A

secondary

#97996B

accent

#C365BE

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #403E6A

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

Preview Lab → · Contrast checker → · Palette generator →