#A4313B#A4313B

#A4313B is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.150 H 19.9°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A4313B
RGB	rgb(164, 49, 59)
HSL	hsl(355, 54%, 42%)
HSV	hsv(355, 70%, 64%)
CMYK	cmyk(0%, 70.1%, 64%, 35.7%)
CIE-LAB	lab(38.56, 47.62, 21.33)
CIE-LCH	lch(38.56, 52.18, 24.13°)
OKLab	oklab(48.89% 0.1412 0.0512)
OKLCH	oklch(48.89% 0.15 19.9)
XYZ	xyz(17.1993, 10.4074, 5.2400)
Luminance	0.1041 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4313B #31A49A

analogous

#A43175 #A4313B #A46131

triadic

#A4313B #3BA431 #313BA4

tetradic

#A4313B #75A431 #31A49A #6131A4

square

#A4313B #75A431 #31A49A #6131A4

split-complementary

#A4313B #31A461 #3175A4

monochromatic

#461519 #75232A #A4313B #C94955 #D77981

Accessibility & contrast

On white

6.82

#A4313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A4313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4313B

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4313B	#FFFFFF	#000000	##FFFFFF
##A4313B	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B3B

Deuteranopia (green-blind)

#6D6438

Tritanopia (blue-blind)

#B41236

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a4313b;
/* rgb */ color: rgb(164, 49, 59);
/* oklch */ color: oklch(48.9% 0.150 19.9);

Tailwind

colors: {
  custom: {
    50: '#c67170',
    500: '#a4313b',
    950: '#000000',
  },
}

SCSS

$custom: #a4313b;
$custom-light: #c67170;
$custom-dark: #000000;

JSON

{
  "hex": "#a4313b",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 354.783,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48885,
    "c": 0.15021,
    "h": 19.9
  },
  "luminance": 0.10405
}

Semantic roles & 50–950 ramp

primary

#A4313B

secondary

#72BFB8

accent

#DDD14A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A4313B

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

Preview Lab → · Contrast checker → · Palette generator →