#A7303D#A7303D

#A7303D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.154 H 18.9°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A7303D
RGB	rgb(167, 48, 61)
HSL	hsl(353, 55%, 42%)
HSV	hsv(353, 71%, 65%)
CMYK	cmyk(0%, 71.3%, 63.5%, 34.5%)
CIE-LAB	lab(39.02, 49.12, 20.77)
CIE-LCH	lch(39.02, 53.33, 22.92°)
OKLab	oklab(49.34% 0.146 0.05)
OKLCH	oklch(49.34% 0.154 18.9)
XYZ	xyz(17.8374, 10.6689, 5.5340)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7303D #30A79A

analogous

#A73079 #A7303D #A75E30

triadic

#A7303D #3DA730 #303DA7

tetradic

#A7303D #79A730 #30A79A #5E30A7

square

#A7303D #79A730 #30A79A #5E30A7

split-complementary

#A7303D #30A75E #3079A7

monochromatic

#48151A #77222C #A7303D #CB4958 #D87983

Accessibility & contrast

On white

6.70

#A7303D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A7303D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7303D

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7303D	#FFFFFF	#000000	##FFFFFF
##A7303D	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3D

Deuteranopia (green-blind)

#6E653A

Tritanopia (blue-blind)

#B70D36

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7303d;
/* rgb */ color: rgb(167, 48, 61);
/* oklch */ color: oklch(49.3% 0.154 18.9);

Tailwind

colors: {
  custom: {
    50: '#c87172',
    500: '#a7303d',
    950: '#000000',
  },
}

SCSS

$custom: #a7303d;
$custom-light: #c87172;
$custom-dark: #000000;

JSON

{
  "hex": "#a7303d",
  "rgb": {
    "r": 167,
    "g": 48,
    "b": 61
  },
  "hsl": {
    "h": 353.445,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49338,
    "c": 0.15435,
    "h": 18.9
  },
  "luminance": 0.10666
}

Semantic roles & 50–950 ramp

primary

#A7303D

secondary

#72C1B8

accent

#DFCE49

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140808

muted

#837B7B

Preview Lab

Preview with #A7303D

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

Preview Lab → · Contrast checker → · Palette generator →