#A3312F#A3312F

#A3312F is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.150 H 25.6°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A3312F
RGB	rgb(163, 49, 47)
HSL	hsl(1, 55%, 41%)
HSV	hsv(1, 71%, 64%)
CMYK	cmyk(0%, 69.9%, 71.2%, 36.1%)
CIE-LAB	lab(38.18, 46.60, 28.20)
CIE-LCH	lch(38.18, 54.47, 31.18°)
OKLab	oklab(48.5% 0.1356 0.0649)
OKLCH	oklch(48.5% 0.15 25.6)
XYZ	xyz(16.7175, 10.1908, 3.7755)
Luminance	0.1019 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3312F #2FA1A3

analogous

#A32F67 #A3312F #A36B2F

triadic

#A3312F #2FA331 #312FA3

tetradic

#A3312F #67A32F #2FA1A3 #6B2FA3

square

#A3312F #67A32F #2FA1A3 #6B2FA3

split-complementary

#A3312F #2FA36B #2F67A3

monochromatic

#441414 #732321 #A3312F #CA4846 #D77775

Accessibility & contrast

On white

6.91

#A3312F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A3312F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3312F

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3312F	#FFFFFF	#000000	##FFFFFF
##A3312F	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A2E

Deuteranopia (green-blind)

#6E632B

Tritanopia (blue-blind)

#B30D32

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a3312f;
/* rgb */ color: rgb(163, 49, 47);
/* oklch */ color: oklch(48.5% 0.150 25.6);

Tailwind

colors: {
  custom: {
    50: '#c67067',
    500: '#a3312f',
    950: '#000000',
  },
}

SCSS

$custom: #a3312f;
$custom-light: #c67067;
$custom-dark: #000000;

JSON

{
  "hex": "#a3312f",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 47
  },
  "hsl": {
    "h": 1.034,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48503,
    "c": 0.15033,
    "h": 25.6
  },
  "luminance": 0.10188
}

Semantic roles & 50–950 ramp

primary

#A3312F

secondary

#6FBEBF

accent

#DCDF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A3312F

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

Preview Lab → · Contrast checker → · Palette generator →