#40070A#40070A

#40070A is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.086 H 23.8°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#40070A
RGB	rgb(64, 7, 10)
HSL	hsl(357, 80%, 14%)
HSV	hsv(357, 89%, 25%)
CMYK	cmyk(0%, 89.1%, 84.4%, 74.9%)
CIE-LAB	lab(11.02, 26.99, 13.10)
CIE-LCH	lch(11.02, 30.00, 25.89°)
OKLab	oklab(24.34% 0.0785 0.0347)
OKLCH	oklch(24.34% 0.086 23.8)
XYZ	xyz(2.2454, 1.2642, 0.4129)
Luminance	0.0126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40070A #07403D

analogous

#400727 #40070A #402107

triadic

#40070A #0A4007 #070A40

tetradic

#40070A #274007 #07403D #210740

square

#40070A #274007 #07403D #210740

split-complementary

#40070A #074021 #072740

monochromatic

#1C0304 #1C0304 #40070A #770D13 #AE131B

Accessibility & contrast

On white

16.76

#40070A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#40070A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40070A

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40070A	#FFFFFF	#000000	##FFFFFF
##40070A	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160A

Deuteranopia (green-blind)

#272208

Tritanopia (blue-blind)

#470009

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #40070a;
/* rgb */ color: rgb(64, 7, 10);
/* oklch */ color: oklch(24.3% 0.086 23.8);

Tailwind

colors: {
  custom: {
    50: '#7a4d4b',
    500: '#40070a',
    950: '#000000',
  },
}

SCSS

$custom: #40070a;
$custom-light: #7a4d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#40070a",
  "rgb": {
    "r": 64,
    "g": 7,
    "b": 10
  },
  "hsl": {
    "h": 356.842,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24342,
    "c": 0.08582,
    "h": 23.8
  },
  "luminance": 0.01264
}

Semantic roles & 50–950 ramp

primary

#40070A

secondary

#247F7A

accent

#F7EC31

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #40070A

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

Preview Lab → · Contrast checker → · Palette generator →