#40435E#40435E

#40435E is a dark, muted blue. Relative luminance 0.059; OKLCH L 39.2% C 0.046 H 279.1°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#40435E
RGB	rgb(64, 67, 94)
HSL	hsl(234, 19%, 31%)
HSV	hsv(234, 32%, 37%)
CMYK	cmyk(31.9%, 28.7%, 0%, 63.1%)
CIE-LAB	lab(29.19, 5.85, -16.36)
CIE-LCH	lch(29.19, 17.38, 289.68°)
OKLab	oklab(39.17% 0.0073 -0.0453)
OKLCH	oklch(39.17% 0.046 279.1)
XYZ	xyz(6.1413, 5.9123, 11.4051)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40435E #5E5B40

analogous

#40525E #40435E #4C405E

triadic

#40435E #5E4043 #435E40

tetradic

#40435E #5E4052 #5E5B40 #405E4C

square

#40435E #5E4052 #5E5B40 #405E4C

split-complementary

#40435E #5E4C40 #525E40

monochromatic

#0E0F15 #27293A #40435E #595D82 #767BA2

Accessibility & contrast

On white

9.62

#40435E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#40435E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40435E

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40435E	#FFFFFF	#000000	##FFFFFF
##40435E	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B465F

Deuteranopia (green-blind)

#3A445D

Tritanopia (blue-blind)

#38484C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40435e;
/* rgb */ color: rgb(64, 67, 94);
/* oklch */ color: oklch(39.2% 0.046 279.1);

Tailwind

colors: {
  custom: {
    50: '#75778b',
    500: '#40435e',
    950: '#000000',
  },
}

SCSS

$custom: #40435e;
$custom-light: #75778b;
$custom-dark: #000000;

JSON

{
  "hex": "#40435e",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 94
  },
  "hsl": {
    "h": 234,
    "s": 18.987,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39173,
    "c": 0.04586,
    "h": 279.1
  },
  "luminance": 0.05912
}

Semantic roles & 50–950 ramp

primary

#40435E

secondary

#8D8A6C

accent

#B46CBC

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #40435E

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

Preview Lab → · Contrast checker → · Palette generator →