#A6231E#A6231E

#A6231E is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.168 H 28.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#A6231E
RGB	rgb(166, 35, 30)
HSL	hsl(2, 69%, 38%)
HSV	hsv(2, 82%, 65%)
CMYK	cmyk(0%, 78.9%, 81.9%, 34.9%)
CIE-LAB	lab(36.75, 51.89, 36.72)
CIE-LCH	lch(36.75, 63.57, 35.28°)
OKLab	oklab(47.48% 0.1483 0.0787)
OKLCH	oklch(47.48% 0.168 28)
XYZ	xyz(16.5633, 9.4055, 2.1714)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6231E #1EA1A6

analogous

#A61E5D #A6231E #A6671E

triadic

#A6231E #1EA623 #231EA6

tetradic

#A6231E #5DA61E #1EA1A6 #671EA6

square

#A6231E #5DA61E #1EA1A6 #671EA6

split-complementary

#A6231E #1EA667 #1E5DA6

monochromatic

#3E0D0B #721815 #A6231E #D82F29 #E2625D

Accessibility & contrast

On white

7.29

#A6231E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#A6231E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6231E

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6231E	#FFFFFF	#000000	##FFFFFF
##A6231E	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441C

Deuteranopia (green-blind)

#6D6117

Tritanopia (blue-blind)

#B70024

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a6231e;
/* rgb */ color: rgb(166, 35, 30);
/* oklch */ color: oklch(47.5% 0.168 28.0);

Tailwind

colors: {
  custom: {
    50: '#ca6a5b',
    500: '#a6231e',
    950: '#000000',
  },
}

SCSS

$custom: #a6231e;
$custom-light: #ca6a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a6231e",
  "rgb": {
    "r": 166,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 2.206,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47478,
    "c": 0.1679,
    "h": 28
  },
  "luminance": 0.09403
}

Semantic roles & 50–950 ramp

primary

#A6231E

secondary

#5AC2C6

accent

#E6EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A6231E

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

Preview Lab → · Contrast checker → · Palette generator →