#A5243F#A5243F

#A5243F is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.164 H 14.7°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#A5243F
RGB	rgb(165, 36, 63)
HSL	hsl(347, 64%, 39%)
HSV	hsv(347, 78%, 65%)
CMYK	cmyk(0%, 78.2%, 61.8%, 35.3%)
CIE-LAB	lab(37.16, 52.85, 17.00)
CIE-LCH	lch(37.16, 55.52, 17.83°)
OKLab	oklab(47.9% 0.1586 0.0415)
OKLCH	oklch(47.9% 0.164 14.7)
XYZ	xyz(17.0469, 9.6225, 5.6614)
Luminance	0.0962 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5243F #24A58A

analogous

#A52480 #A5243F #A54A24

triadic

#A5243F #3FA524 #243FA5

tetradic

#A5243F #80A524 #24A58A #4A24A5

square

#A5243F #80A524 #24A58A #4A24A5

split-complementary

#A5243F #24A54A #2480A5

monochromatic

#410E19 #73192C #A5243F #D33455 #DE667F

Accessibility & contrast

On white

7.18

#A5243F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A5243F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A5243F

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5243F	#FFFFFF	#000000	##FFFFFF
##A5243F	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48463F

Deuteranopia (green-blind)

#69613C

Tritanopia (blue-blind)

#B50030

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a5243f;
/* rgb */ color: rgb(165, 36, 63);
/* oklch */ color: oklch(47.9% 0.164 14.7);

Tailwind

colors: {
  custom: {
    50: '#c76b73',
    500: '#a5243f',
    950: '#000000',
  },
}

SCSS

$custom: #a5243f;
$custom-light: #c76b73;
$custom-dark: #000000;

JSON

{
  "hex": "#a5243f",
  "rgb": {
    "r": 165,
    "g": 36,
    "b": 63
  },
  "hsl": {
    "h": 347.442,
    "s": 64.179,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47899,
    "c": 0.16398,
    "h": 14.7
  },
  "luminance": 0.0962
}

Semantic roles & 50–950 ramp

primary

#A5243F

secondary

#62C3AF

accent

#E7C441

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A5243F

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

Preview Lab → · Contrast checker → · Palette generator →