#A5291B#A5291B

#A5291B is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.163 H 30.3°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A5291B
RGB	rgb(165, 41, 27)
HSL	hsl(6, 72%, 38%)
HSV	hsv(6, 84%, 65%)
CMYK	cmyk(0%, 75.2%, 83.6%, 35.3%)
CIE-LAB	lab(37.24, 49.50, 38.73)
CIE-LCH	lch(37.24, 62.85, 38.04°)
OKLab	oklab(47.8% 0.1403 0.0822)
OKLCH	oklch(47.8% 0.163 30.3)
XYZ	xyz(16.5098, 9.6670, 2.0333)
Luminance	0.0966 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5291B #1B97A5

analogous

#A51B52 #A5291B #A56E1B

triadic

#A5291B #1BA529 #291BA5

tetradic

#A5291B #52A51B #1B97A5 #6E1BA5

square

#A5291B #52A51B #1B97A5 #6E1BA5

split-complementary

#A5291B #1BA56E #1B52A5

monochromatic

#3C0F0A #701C12 #A5291B #DA3624 #E36557

Accessibility & contrast

On white

7.16

#A5291B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A5291B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A5291B

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5291B	#FFFFFF	#000000	##FFFFFF
##A5291B	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4618

Deuteranopia (green-blind)

#6E6114

Tritanopia (blue-blind)

#B60027

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a5291b;
/* rgb */ color: rgb(165, 41, 27);
/* oklch */ color: oklch(47.8% 0.163 30.3);

Tailwind

colors: {
  custom: {
    50: '#c96d59',
    500: '#a5291b',
    950: '#000000',
  },
}

SCSS

$custom: #a5291b;
$custom-light: #c96d59;
$custom-dark: #000000;

JSON

{
  "hex": "#a5291b",
  "rgb": {
    "r": 165,
    "g": 41,
    "b": 27
  },
  "hsl": {
    "h": 6.087,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47795,
    "c": 0.16262,
    "h": 30.3
  },
  "luminance": 0.09664
}

Semantic roles & 50–950 ramp

primary

#A5291B

secondary

#55BBC7

accent

#DCEF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A5291B

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

Preview Lab → · Contrast checker → · Palette generator →