#403A5F#403A5F

#403A5F is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.063 H 290.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#403A5F
RGB	rgb(64, 58, 95)
HSL	hsl(250, 24%, 30%)
HSV	hsv(250, 39%, 37%)
CMYK	cmyk(32.6%, 38.9%, 0%, 62.7%)
CIE-LAB	lab(26.57, 12.14, -21.08)
CIE-LCH	lch(26.57, 24.33, 299.92°)
OKLab	oklab(37.17% 0.0219 -0.0588)
OKLCH	oklch(37.17% 0.063 290.4)
XYZ	xyz(5.6924, 4.9422, 11.4783)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A5F #595F3A

analogous

#3A465F #403A5F #533A5F

triadic

#403A5F #5F403A #3A5F40

tetradic

#403A5F #5F3A46 #595F3A #3A5F53

square

#403A5F #5F3A46 #595F3A #3A5F53

split-complementary

#403A5F #5F533A #465F3A

monochromatic

#0D0C13 #262339 #403A5F #5A5185 #776DA6

Accessibility & contrast

On white

10.56

#403A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#403A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A5F

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A5F	#FFFFFF	#000000	##FFFFFF
##403A5F	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4060

Deuteranopia (green-blind)

#303E5E

Tritanopia (blue-blind)

#394148

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #403a5f;
/* rgb */ color: rgb(64, 58, 95);
/* oklch */ color: oklch(37.2% 0.063 290.4);

Tailwind

colors: {
  custom: {
    50: '#76708c',
    500: '#403a5f',
    950: '#000000',
  },
}

SCSS

$custom: #403a5f;
$custom-light: #76708c;
$custom-dark: #000000;

JSON

{
  "hex": "#403a5f",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 95
  },
  "hsl": {
    "h": 249.73,
    "s": 24.183,
    "l": 30
  },
  "oklch": {
    "l": 0.3717,
    "c": 0.06278,
    "h": 290.4
  },
  "luminance": 0.04942
}

Semantic roles & 50–950 ramp

primary

#403A5F

secondary

#888F66

accent

#C167B2

background

#F7F6F8

surface

#EDECF0

border

#C8C7CB

text

#08070C

muted

#7B7A7D

Preview Lab

Preview with #403A5F

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

Preview Lab → · Contrast checker → · Palette generator →