#40150A#40150A

#40150A is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.2% C 0.070 H 35.4°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#40150A
RGB	rgb(64, 21, 10)
HSL	hsl(12, 73%, 15%)
HSV	hsv(12, 84%, 25%)
CMYK	cmyk(0%, 67.2%, 84.4%, 74.9%)
CIE-LAB	lab(13.52, 20.19, 16.49)
CIE-LCH	lch(13.52, 26.07, 39.24°)
OKLab	oklab(26.22% 0.0572 0.0407)
OKLCH	oklch(26.22% 0.07 35.4)
XYZ	xyz(2.4376, 1.6486, 0.4769)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40150A #0A3540

analogous

#400A1A #40150A #40300A

triadic

#40150A #0A4015 #150A40

tetradic

#40150A #1A400A #0A3540 #300A40

square

#40150A #1A400A #0A3540 #300A40

split-complementary

#40150A #0A4030 #0A1A40

monochromatic

#1A0904 #1A0904 #40150A #752612 #AA381B

Accessibility & contrast

On white

15.79

#40150A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#40150A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40150A

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40150A	#FFFFFF	#000000	##FFFFFF
##40150A	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D09

Deuteranopia (green-blind)

#2B2609

Tritanopia (blue-blind)

#470B13

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #40150a;
/* rgb */ color: rgb(64, 21, 10);
/* oklch */ color: oklch(26.2% 0.070 35.4);

Tailwind

colors: {
  custom: {
    50: '#79544b',
    500: '#40150a',
    950: '#000000',
  },
}

SCSS

$custom: #40150a;
$custom-light: #79544b;
$custom-dark: #000000;

JSON

{
  "hex": "#40150a",
  "rgb": {
    "r": 64,
    "g": 21,
    "b": 10
  },
  "hsl": {
    "h": 12.222,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.26216,
    "c": 0.0702,
    "h": 35.4
  },
  "luminance": 0.01648
}

Semantic roles & 50–950 ramp

primary

#40150A

secondary

#296C7D

accent

#CAF038

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #40150A

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

Preview Lab → · Contrast checker → · Palette generator →