#400508#400508

#400508 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.088 H 24.4°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#400508
RGB	rgb(64, 5, 8)
HSL	hsl(357, 86%, 14%)
HSV	hsv(357, 92%, 25%)
CMYK	cmyk(0%, 92.2%, 87.5%, 74.9%)
CIE-LAB	lab(10.68, 27.78, 13.43)
CIE-LCH	lch(10.68, 30.85, 25.81°)
OKLab	oklab(24.08% 0.0804 0.0365)
OKLCH	oklch(24.08% 0.088 24.4)
XYZ	xyz(2.2127, 1.2164, 0.3480)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400508 #05403D

analogous

#400525 #400508 #401F05

triadic

#400508 #084005 #050840

tetradic

#400508 #254005 #05403D #1F0540

square

#400508 #254005 #05403D #1F0540

split-complementary

#400508 #05401F #052540

monochromatic

#1C0204 #1C0204 #400508 #79090F #B20E16

Accessibility & contrast

On white

16.89

#400508 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400508 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400508

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400508	#FFFFFF	#000000	##FFFFFF
##400508	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181508

Deuteranopia (green-blind)

#262106

Tritanopia (blue-blind)

#470007

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400508;
/* rgb */ color: rgb(64, 5, 8);
/* oklch */ color: oklch(24.1% 0.088 24.4);

Tailwind

colors: {
  custom: {
    50: '#7a4c4a',
    500: '#400508',
    950: '#000000',
  },
}

SCSS

$custom: #400508;
$custom-light: #7a4c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#400508",
  "rgb": {
    "r": 64,
    "g": 5,
    "b": 8
  },
  "hsl": {
    "h": 356.949,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24076,
    "c": 0.08832,
    "h": 24.4
  },
  "luminance": 0.01216
}

Semantic roles & 50–950 ramp

primary

#400508

secondary

#20817C

accent

#FCF12C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #400508

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

Preview Lab → · Contrast checker → · Palette generator →