#40435F#40435F

#40435F is a dark, muted blue. Relative luminance 0.059; OKLCH L 39.2% C 0.048 H 279.2°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#40435F
RGB	rgb(64, 67, 95)
HSL	hsl(234, 19%, 31%)
HSV	hsv(234, 33%, 37%)
CMYK	cmyk(32.6%, 29.5%, 0%, 62.7%)
CIE-LAB	lab(29.24, 6.15, -16.94)
CIE-LCH	lch(29.24, 18.02, 289.94°)
OKLab	oklab(39.22% 0.0076 -0.0469)
OKLCH	oklch(39.22% 0.048 279.2)
XYZ	xyz(6.1865, 5.9303, 11.6430)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40435F #5F5C40

analogous

#40525F #40435F #4C405F

triadic

#40435F #5F4043 #435F40

tetradic

#40435F #5F4052 #5F5C40 #405F4C

square

#40435F #5F4052 #5F5C40 #405F4C

split-complementary

#40435F #5F4C40 #525F40

monochromatic

#0F0F16 #27293A #40435F #595D84 #767BA3

Accessibility & contrast

On white

9.61

#40435F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#40435F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40435F

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40435F	#FFFFFF	#000000	##FFFFFF
##40435F	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4660

Deuteranopia (green-blind)

#39445E

Tritanopia (blue-blind)

#38484D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40435f;
/* rgb */ color: rgb(64, 67, 95);
/* oklch */ color: oklch(39.2% 0.048 279.2);

Tailwind

colors: {
  custom: {
    50: '#75778c',
    500: '#40435f',
    950: '#000000',
  },
}

SCSS

$custom: #40435f;
$custom-light: #75778c;
$custom-dark: #000000;

JSON

{
  "hex": "#40435f",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 95
  },
  "hsl": {
    "h": 234.194,
    "s": 19.497,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39223,
    "c": 0.04753,
    "h": 279.2
  },
  "luminance": 0.05931
}

Semantic roles & 50–950 ramp

primary

#40435F

secondary

#8F8B6C

accent

#B46CBC

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #40435F

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

Preview Lab → · Contrast checker → · Palette generator →