#40080B#40080B

#40080B is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.085 H 23.5°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#40080B
RGB	rgb(64, 8, 11)
HSL	hsl(357, 78%, 14%)
HSV	hsv(357, 88%, 25%)
CMYK	cmyk(0%, 87.5%, 82.8%, 74.9%)
CIE-LAB	lab(11.19, 26.61, 12.92)
CIE-LCH	lch(11.19, 29.58, 25.89°)
OKLab	oklab(24.47% 0.0776 0.0338)
OKLCH	oklch(24.47% 0.085 23.5)
XYZ	xyz(2.2619, 1.2882, 0.4461)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40080B #08403D

analogous

#400827 #40080B #402108

triadic

#40080B #0B4008 #080B40

tetradic

#40080B #274008 #08403D #210840

square

#40080B #274008 #08403D #210840

split-complementary

#40080B #084021 #082740

monochromatic

#1B0305 #1B0305 #40080B #760F14 #AD161E

Accessibility & contrast

On white

16.70

#40080B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#40080B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40080B

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40080B	#FFFFFF	#000000	##FFFFFF
##40080B	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160B

Deuteranopia (green-blind)

#272209

Tritanopia (blue-blind)

#47000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #40080b;
/* rgb */ color: rgb(64, 8, 11);
/* oklch */ color: oklch(24.5% 0.085 23.5);

Tailwind

colors: {
  custom: {
    50: '#7a4d4b',
    500: '#40080b',
    950: '#000000',
  },
}

SCSS

$custom: #40080b;
$custom-light: #7a4d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#40080b",
  "rgb": {
    "r": 64,
    "g": 8,
    "b": 11
  },
  "hsl": {
    "h": 356.786,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24473,
    "c": 0.08461,
    "h": 23.5
  },
  "luminance": 0.01288
}

Semantic roles & 50–950 ramp

primary

#40080B

secondary

#257E7A

accent

#F4EA34

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40080B

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

Preview Lab → · Contrast checker → · Palette generator →