#A5303C#A5303C

#A5303C is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.152 H 19.2°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A5303C
RGB	rgb(165, 48, 60)
HSL	hsl(354, 55%, 42%)
HSV	hsv(354, 71%, 65%)
CMYK	cmyk(0%, 70.9%, 63.6%, 35.3%)
CIE-LAB	lab(38.62, 48.41, 20.82)
CIE-LCH	lch(38.62, 52.70, 23.27°)
OKLab	oklab(48.97% 0.1438 0.0501)
OKLCH	oklch(48.97% 0.152 19.2)
XYZ	xyz(17.3914, 10.4420, 5.3738)
Luminance	0.1044 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5303C #30A599

analogous

#A53077 #A5303C #A55F30

triadic

#A5303C #3CA530 #303CA5

tetradic

#A5303C #77A530 #30A599 #5F30A5

square

#A5303C #77A530 #30A599 #5F30A5

split-complementary

#A5303C #30A55F #3077A5

monochromatic

#46141A #76222B #A5303C #CA4856 #D87882

Accessibility & contrast

On white

6.80

#A5303C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A5303C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5303C

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5303C	#FFFFFF	#000000	##FFFFFF
##A5303C	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3C

Deuteranopia (green-blind)

#6D6439

Tritanopia (blue-blind)

#B50F35

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a5303c;
/* rgb */ color: rgb(165, 48, 60);
/* oklch */ color: oklch(49.0% 0.152 19.2);

Tailwind

colors: {
  custom: {
    50: '#c67171',
    500: '#a5303c',
    950: '#000000',
  },
}

SCSS

$custom: #a5303c;
$custom-light: #c67171;
$custom-dark: #000000;

JSON

{
  "hex": "#a5303c",
  "rgb": {
    "r": 165,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 353.846,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4897,
    "c": 0.15228,
    "h": 19.2
  },
  "luminance": 0.10439
}

Semantic roles & 50–950 ramp

primary

#A5303C

secondary

#71C0B8

accent

#DECF4A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A5303C

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

Preview Lab → · Contrast checker → · Palette generator →