#A7312B#A7312B

#A7312B is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.155 H 27.3°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A7312B
RGB	rgb(167, 49, 43)
HSL	hsl(3, 59%, 41%)
HSV	hsv(3, 74%, 65%)
CMYK	cmyk(0%, 70.7%, 74.3%, 34.5%)
CIE-LAB	lab(38.88, 47.75, 31.59)
CIE-LCH	lch(38.88, 57.25, 33.48°)
OKLab	oklab(49.15% 0.1379 0.0713)
OKLCH	oklch(49.15% 0.155 27.3)
XYZ	xyz(17.4727, 10.5891, 3.4089)
Luminance	0.1059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7312B #2BA1A7

analogous

#A72B63 #A7312B #A76F2B

triadic

#A7312B #2BA731 #312BA7

tetradic

#A7312B #63A72B #2BA1A7 #6F2BA7

square

#A7312B #63A72B #2BA1A7 #6F2BA7

split-complementary

#A7312B #2BA76F #2B63A7

monochromatic

#461412 #76231E #A7312B #CE4841 #DB7772

Accessibility & contrast

On white

6.74

#A7312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A7312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7312B

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7312B	#FFFFFF	#000000	##FFFFFF
##A7312B	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B29

Deuteranopia (green-blind)

#706527

Tritanopia (blue-blind)

#B80631

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7312b;
/* rgb */ color: rgb(167, 49, 43);
/* oklch */ color: oklch(49.1% 0.155 27.3);

Tailwind

colors: {
  custom: {
    50: '#c97165',
    500: '#a7312b',
    950: '#000000',
  },
}

SCSS

$custom: #a7312b;
$custom-light: #c97165;
$custom-dark: #000000;

JSON

{
  "hex": "#a7312b",
  "rgb": {
    "r": 167,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.903,
    "s": 59.048,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49145,
    "c": 0.1552,
    "h": 27.3
  },
  "luminance": 0.10587
}

Semantic roles & 50–950 ramp

primary

#A7312B

secondary

#6CBEC2

accent

#DBE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #A7312B

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

Preview Lab → · Contrast checker → · Palette generator →