#400506#400506

#400506 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.089 H 26.2°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#400506
RGB	rgb(64, 5, 6)
HSL	hsl(359, 86%, 14%)
HSV	hsv(359, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 90.6%, 74.9%)
CIE-LAB	lab(10.65, 27.68, 14.20)
CIE-LCH	lch(10.65, 31.11, 27.16°)
OKLab	oklab(24.04% 0.0795 0.0392)
OKLCH	oklch(24.04% 0.089 26.2)
XYZ	xyz(2.2018, 1.2120, 0.2903)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400506 #05403F

analogous

#400523 #400506 #402105

triadic

#400506 #064005 #050640

tetradic

#400506 #234005 #05403F #210540

square

#400506 #234005 #05403F #210540

split-complementary

#400506 #054021 #052340

monochromatic

#1C0203 #1C0203 #400506 #79090B #B20E11

Accessibility & contrast

On white

16.90

#400506 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400506 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400506

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400506	#FFFFFF	#000000	##FFFFFF
##400506	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181405

Deuteranopia (green-blind)

#262104

Tritanopia (blue-blind)

#480006

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400506;
/* rgb */ color: rgb(64, 5, 6);
/* oklch */ color: oklch(24.0% 0.089 26.2);

Tailwind

colors: {
  custom: {
    50: '#7a4c49',
    500: '#400506',
    950: '#000000',
  },
}

SCSS

$custom: #400506;
$custom-light: #7a4c49;
$custom-dark: #000000;

JSON

{
  "hex": "#400506",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 358.983,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24042,
    "c": 0.08862,
    "h": 26.2
  },
  "luminance": 0.01212
}

Semantic roles & 50–950 ramp

primary

#400506

secondary

#20817F

accent

#FCF82C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #400506

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

Preview Lab → · Contrast checker → · Palette generator →