#A6251F#A6251F

#A6251F is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.166 H 28.1°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A6251F
RGB	rgb(166, 37, 31)
HSL	hsl(3, 69%, 39%)
HSV	hsv(3, 81%, 65%)
CMYK	cmyk(0%, 77.7%, 81.3%, 34.9%)
CIE-LAB	lab(36.99, 51.29, 36.40)
CIE-LCH	lch(36.99, 62.89, 35.36°)
OKLab	oklab(47.66% 0.1466 0.0784)
OKLCH	oklch(47.66% 0.166 28.1)
XYZ	xyz(16.6368, 9.5317, 2.2599)
Luminance	0.0953 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6251F #1FA0A6

analogous

#A61F5C #A6251F #A6681F

triadic

#A6251F #1FA625 #251FA6

tetradic

#A6251F #5CA61F #1FA0A6 #681FA6

square

#A6251F #5CA61F #1FA0A6 #681FA6

split-complementary

#A6251F #1FA668 #1F5CA6

monochromatic

#3F0E0C #721A15 #A6251F #D7322B #E1645E

Accessibility & contrast

On white

7.23

#A6251F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A6251F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6251F

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6251F	#FFFFFF	#000000	##FFFFFF
##A6251F	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451D

Deuteranopia (green-blind)

#6D6119

Tritanopia (blue-blind)

#B70025

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a6251f;
/* rgb */ color: rgb(166, 37, 31);
/* oklch */ color: oklch(47.7% 0.166 28.1);

Tailwind

colors: {
  custom: {
    50: '#ca6b5c',
    500: '#a6251f',
    950: '#000000',
  },
}

SCSS

$custom: #a6251f;
$custom-light: #ca6b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a6251f",
  "rgb": {
    "r": 166,
    "g": 37,
    "b": 31
  },
  "hsl": {
    "h": 2.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47656,
    "c": 0.16625,
    "h": 28.1
  },
  "luminance": 0.09529
}

Semantic roles & 50–950 ramp

primary

#A6251F

secondary

#5BC1C5

accent

#E4EB3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A6251F

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

Preview Lab → · Contrast checker → · Palette generator →