#A5312A#A5312A

#A5312A is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.153 H 27.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#A5312A
RGB	rgb(165, 49, 42)
HSL	hsl(3, 59%, 41%)
HSV	hsv(3, 75%, 65%)
CMYK	cmyk(0%, 70.3%, 74.5%, 35.3%)
CIE-LAB	lab(38.49, 47.03, 31.63)
CIE-LCH	lch(38.49, 56.68, 33.92°)
OKLab	oklab(48.78% 0.1357 0.0713)
OKLCH	oklch(48.78% 0.153 27.7)
XYZ	xyz(17.0352, 10.3657, 3.2938)
Luminance	0.1036 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5312A #2A9EA5

analogous

#A52A60 #A5312A #A56F2A

triadic

#A5312A #2AA531 #312AA5

tetradic

#A5312A #60A52A #2A9EA5 #6F2AA5

square

#A5312A #60A52A #2A9EA5 #6F2AA5

split-complementary

#A5312A #2AA56F #2A60A5

monochromatic

#431411 #74231E #A5312A #CE463E #DA756F

Accessibility & contrast

On white

6.83

#A5312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A5312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5312A

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5312A	#FFFFFF	#000000	##FFFFFF
##A5312A	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B28

Deuteranopia (green-blind)

#6F6426

Tritanopia (blue-blind)

#B60830

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a5312a;
/* rgb */ color: rgb(165, 49, 42);
/* oklch */ color: oklch(48.8% 0.153 27.7);

Tailwind

colors: {
  custom: {
    50: '#c87164',
    500: '#a5312a',
    950: '#000000',
  },
}

SCSS

$custom: #a5312a;
$custom-light: #c87164;
$custom-dark: #000000;

JSON

{
  "hex": "#a5312a",
  "rgb": {
    "r": 165,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 3.415,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48781,
    "c": 0.15323,
    "h": 27.7
  },
  "luminance": 0.10363
}

Semantic roles & 50–950 ramp

primary

#A5312A

secondary

#69BCC1

accent

#DAE345

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #A5312A

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

Preview Lab → · Contrast checker → · Palette generator →