#A61F2B#A61F2B

#A61F2B is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.169 H 22.6°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#A61F2B
RGB	rgb(166, 31, 43)
HSL	hsl(355, 69%, 39%)
HSV	hsv(355, 81%, 65%)
CMYK	cmyk(0%, 81.3%, 74.1%, 34.9%)
CIE-LAB	lab(36.49, 53.55, 28.80)
CIE-LCH	lch(36.49, 60.80, 28.27°)
OKLab	oklab(47.33% 0.1564 0.0652)
OKLCH	oklch(47.33% 0.169 22.6)
XYZ	xyz(16.6539, 9.2640, 3.1963)
Luminance	0.0926 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A61F2B #1FA69A

analogous

#A61F6E #A61F2B #A6561F

triadic

#A61F2B #2BA61F #1F2BA6

tetradic

#A61F2B #6EA61F #1FA69A #561FA6

square

#A61F2B #6EA61F #1FA69A #561FA6

split-complementary

#A61F2B #1FA656 #1F6EA6

monochromatic

#3F0C10 #72151E #A61F2B #D72B3A #E15E6A

Accessibility & contrast

On white

7.36

#A61F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A61F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A61F2B

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A61F2B	#FFFFFF	#000000	##FFFFFF
##A61F2B	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49432A

Deuteranopia (green-blind)

#6B6026

Tritanopia (blue-blind)

#B70025

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a61f2b;
/* rgb */ color: rgb(166, 31, 43);
/* oklch */ color: oklch(47.3% 0.169 22.6);

Tailwind

colors: {
  custom: {
    50: '#c96964',
    500: '#a61f2b',
    950: '#000000',
  },
}

SCSS

$custom: #a61f2b;
$custom-light: #c96964;
$custom-dark: #000000;

JSON

{
  "hex": "#a61f2b",
  "rgb": {
    "r": 166,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 354.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47329,
    "c": 0.16943,
    "h": 22.6
  },
  "luminance": 0.09261
}

Semantic roles & 50–950 ramp

primary

#A61F2B

secondary

#5BC5BC

accent

#EBDC3C

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A61F2B

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

Preview Lab → · Contrast checker → · Palette generator →