#40130A#40130A

#40130A is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.9% C 0.073 H 33.2°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#40130A
RGB	rgb(64, 19, 10)
HSL	hsl(10, 73%, 15%)
HSV	hsv(10, 84%, 25%)
CMYK	cmyk(0%, 70.3%, 84.4%, 74.9%)
CIE-LAB	lab(13.10, 21.32, 15.92)
CIE-LCH	lch(13.10, 26.61, 36.75°)
OKLab	oklab(25.89% 0.0607 0.0397)
OKLCH	oklch(25.89% 0.073 33.2)
XYZ	xyz(2.4023, 1.5780, 0.4652)
Luminance	0.0158 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40130A #0A3740

analogous

#400A1C #40130A #402E0A

triadic

#40130A #0A4013 #130A40

tetradic

#40130A #1C400A #0A3740 #2E0A40

square

#40130A #1C400A #0A3740 #2E0A40

split-complementary

#40130A #0A402E #0A1C40

monochromatic

#1A0804 #1A0804 #40130A #752312 #AA321B

Accessibility & contrast

On white

15.96

#40130A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#40130A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40130A

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40130A	#FFFFFF	#000000	##FFFFFF
##40130A	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1C09

Deuteranopia (green-blind)

#2B2509

Tritanopia (blue-blind)

#470811

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #40130a;
/* rgb */ color: rgb(64, 19, 10);
/* oklch */ color: oklch(25.9% 0.073 33.2);

Tailwind

colors: {
  custom: {
    50: '#79534b',
    500: '#40130a',
    950: '#000000',
  },
}

SCSS

$custom: #40130a;
$custom-light: #79534b;
$custom-dark: #000000;

JSON

{
  "hex": "#40130a",
  "rgb": {
    "r": 64,
    "g": 19,
    "b": 10
  },
  "hsl": {
    "h": 10,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.25893,
    "c": 0.07253,
    "h": 33.2
  },
  "luminance": 0.01578
}

Semantic roles & 50–950 ramp

primary

#40130A

secondary

#296F7D

accent

#D1F038

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40130A

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

Preview Lab → · Contrast checker → · Palette generator →