#400410#400410

#400410 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.089 H 16.3°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#400410
RGB	rgb(64, 4, 16)
HSL	hsl(348, 88%, 13%)
HSV	hsv(348, 94%, 25%)
CMYK	cmyk(0%, 93.8%, 75%, 74.9%)
CIE-LAB	lab(10.66, 28.66, 9.72)
CIE-LCH	lch(10.66, 30.27, 18.73°)
OKLab	oklab(24.11% 0.0855 0.0251)
OKLCH	oklch(24.11% 0.089 16.3)
XYZ	xyz(2.2515, 1.2146, 0.6060)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400410 #044034

analogous

#40042E #400410 #401604

triadic

#400410 #104004 #041040

tetradic

#400410 #2E4004 #044034 #160440

square

#400410 #2E4004 #044034 #160440

split-complementary

#400410 #044016 #042E40

monochromatic

#1D0207 #1D0207 #400410 #7A081E #B30B2D

Accessibility & contrast

On white

16.90

#400410 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#400410 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400410

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400410	#FFFFFF	#000000	##FFFFFF
##400410	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)

#161510

Deuteranopia (green-blind)

#25210E

Tritanopia (blue-blind)

#470009

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #400410;
/* rgb */ color: rgb(64, 4, 16);
/* oklch */ color: oklch(24.1% 0.089 16.3);

Tailwind

colors: {
  custom: {
    50: '#7a4c4e',
    500: '#400410',
    950: '#000000',
  },
}

SCSS

$custom: #400410;
$custom-light: #7a4c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#400410",
  "rgb": {
    "r": 64,
    "g": 4,
    "b": 16
  },
  "hsl": {
    "h": 348,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24113,
    "c": 0.0891,
    "h": 16.3
  },
  "luminance": 0.01214
}

Semantic roles & 50–950 ramp

primary

#400410

secondary

#1F816E

accent

#FED429

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #400410

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

Preview Lab → · Contrast checker → · Palette generator →