#A3312D#A3312D

#A3312D is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.151 H 26.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#A3312D
RGB	rgb(163, 49, 45)
HSL	hsl(2, 57%, 41%)
HSV	hsv(2, 72%, 64%)
CMYK	cmyk(0%, 69.9%, 72.4%, 36.1%)
CIE-LAB	lab(38.15, 46.50, 29.37)
CIE-LCH	lch(38.15, 55.00, 32.28°)
OKLab	oklab(48.47% 0.1349 0.0671)
OKLCH	oklch(48.47% 0.151 26.4)
XYZ	xyz(16.6781, 10.1751, 3.5679)
Luminance	0.1017 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3312D #2D9FA3

analogous

#A32D64 #A3312D #A36C2D

triadic

#A3312D #2DA331 #312DA3

tetradic

#A3312D #64A32D #2D9FA3 #6C2DA3

square

#A3312D #64A32D #2D9FA3 #6C2DA3

split-complementary

#A3312D #2DA36C #2D64A3

monochromatic

#431413 #732320 #A3312D #CB4742 #D87672

Accessibility & contrast

On white

6.92

#A3312D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A3312D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3312D

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3312D	#FFFFFF	#000000	##FFFFFF
##A3312D	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A2C

Deuteranopia (green-blind)

#6E6329

Tritanopia (blue-blind)

#B30C31

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a3312d;
/* rgb */ color: rgb(163, 49, 45);
/* oklch */ color: oklch(48.5% 0.151 26.4);

Tailwind

colors: {
  custom: {
    50: '#c67066',
    500: '#a3312d',
    950: '#000000',
  },
}

SCSS

$custom: #a3312d;
$custom-light: #c67066;
$custom-dark: #000000;

JSON

{
  "hex": "#a3312d",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 45
  },
  "hsl": {
    "h": 2.034,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48473,
    "c": 0.15061,
    "h": 26.4
  },
  "luminance": 0.10173
}

Semantic roles & 50–950 ramp

primary

#A3312D

secondary

#6CBDC0

accent

#DBE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A3312D

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

Preview Lab → · Contrast checker → · Palette generator →