#A4312A#A4312A

#A4312A is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.152 H 27.7°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#A4312A
RGB	rgb(164, 49, 42)
HSL	hsl(3, 59%, 40%)
HSV	hsv(3, 74%, 64%)
CMYK	cmyk(0%, 70.1%, 74.4%, 35.7%)
CIE-LAB	lab(38.30, 46.69, 31.37)
CIE-LCH	lch(38.30, 56.25, 33.89°)
OKLab	oklab(48.61% 0.1347 0.0707)
OKLCH	oklch(48.61% 0.152 27.7)
XYZ	xyz(16.8279, 10.2588, 3.2841)
Luminance	0.1026 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4312A #2A9DA4

analogous

#A42A60 #A4312A #A46E2A

triadic

#A4312A #2AA431 #312AA4

tetradic

#A4312A #60A42A #2A9DA4 #6E2AA4

square

#A4312A #60A42A #2A9DA4 #6E2AA4

split-complementary

#A4312A #2AA46E #2A60A4

monochromatic

#431411 #73221E #A4312A #CD463E #DA756E

Accessibility & contrast

On white

6.88

#A4312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A4312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4312A

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4312A	#FFFFFF	#000000	##FFFFFF
##A4312A	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A28

Deuteranopia (green-blind)

#6F6326

Tritanopia (blue-blind)

#B50A30

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a4312a;
/* rgb */ color: rgb(164, 49, 42);
/* oklch */ color: oklch(48.6% 0.152 27.7);

Tailwind

colors: {
  custom: {
    50: '#c77064',
    500: '#a4312a',
    950: '#000000',
  },
}

SCSS

$custom: #a4312a;
$custom-light: #c77064;
$custom-dark: #000000;

JSON

{
  "hex": "#a4312a",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 3.443,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48606,
    "c": 0.15216,
    "h": 27.7
  },
  "luminance": 0.10256
}

Semantic roles & 50–950 ramp

primary

#A4312A

secondary

#69BCC1

accent

#D9E245

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A4312A

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

Preview Lab → · Contrast checker → · Palette generator →