#A7303E#A7303E

#A7303E is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.154 H 18.4°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A7303E
RGB	rgb(167, 48, 62)
HSL	hsl(353, 55%, 42%)
HSV	hsv(353, 71%, 65%)
CMYK	cmyk(0%, 71.3%, 62.9%, 34.5%)
CIE-LAB	lab(39.04, 49.19, 20.17)
CIE-LCH	lch(39.04, 53.16, 22.30°)
OKLab	oklab(49.36% 0.1464 0.0487)
OKLCH	oklch(49.36% 0.154 18.4)
XYZ	xyz(17.8646, 10.6798, 5.6772)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7303E #30A799

analogous

#A7307A #A7303E #A75D30

triadic

#A7303E #3EA730 #303EA7

tetradic

#A7303E #7AA730 #30A799 #5D30A7

square

#A7303E #7AA730 #30A799 #5D30A7

split-complementary

#A7303E #30A75D #307AA7

monochromatic

#48151B #77222C #A7303E #CB4959 #D87984

Accessibility & contrast

On white

6.70

#A7303E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A7303E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7303E

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7303E	#FFFFFF	#000000	##FFFFFF
##A7303E	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3E

Deuteranopia (green-blind)

#6E653B

Tritanopia (blue-blind)

#B70E36

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7303e;
/* rgb */ color: rgb(167, 48, 62);
/* oklch */ color: oklch(49.4% 0.154 18.4);

Tailwind

colors: {
  custom: {
    50: '#c87173',
    500: '#a7303e',
    950: '#000000',
  },
}

SCSS

$custom: #a7303e;
$custom-light: #c87173;
$custom-dark: #000000;

JSON

{
  "hex": "#a7303e",
  "rgb": {
    "r": 167,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 352.941,
    "s": 55.349,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49358,
    "c": 0.15433,
    "h": 18.4
  },
  "luminance": 0.10677
}

Semantic roles & 50–950 ramp

primary

#A7303E

secondary

#72C1B8

accent

#DFCD49

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140808

muted

#837B7B

Preview Lab

Preview with #A7303E

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

Preview Lab → · Contrast checker → · Palette generator →