#A51C3F#A51C3F

#A51C3F is a mid, vivid pink. Relative luminance 0.092; OKLCH L 47.3% C 0.171 H 13.2°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#A51C3F
RGB	rgb(165, 28, 63)
HSL	hsl(345, 71%, 38%)
HSV	hsv(345, 83%, 65%)
CMYK	cmyk(0%, 83%, 61.8%, 35.3%)
CIE-LAB	lab(36.35, 55.13, 15.93)
CIE-LCH	lch(36.35, 57.39, 16.11°)
OKLab	oklab(47.3% 0.166 0.039)
OKLCH	oklch(47.3% 0.171 13.2)
XYZ	xyz(16.8313, 9.1913, 5.5895)
Luminance	0.0919 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A51C3F #1CA582

analogous

#A51C83 #A51C3F #A53E1C

triadic

#A51C3F #3FA51C #1C3FA5

tetradic

#A51C3F #83A51C #1CA582 #3E1CA5

square

#A51C3F #83A51C #1CA582 #3E1CA5

split-complementary

#A51C3F #1CA53E #1C83A5

monochromatic

#3C0A17 #71132B #A51C3F #D92553 #E3597C

Accessibility & contrast

On white

7.40

#A51C3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A51C3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A51C3F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A51C3F	#FFFFFF	#000000	##FFFFFF
##A51C3F	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45443F

Deuteranopia (green-blind)

#675F3B

Tritanopia (blue-blind)

#B5002C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a51c3f;
/* rgb */ color: rgb(165, 28, 63);
/* oklch */ color: oklch(47.3% 0.171 13.2);

Tailwind

colors: {
  custom: {
    50: '#c76873',
    500: '#a51c3f',
    950: '#000000',
  },
}

SCSS

$custom: #a51c3f;
$custom-light: #c76873;
$custom-dark: #000000;

JSON

{
  "hex": "#a51c3f",
  "rgb": {
    "r": 165,
    "g": 28,
    "b": 63
  },
  "hsl": {
    "h": 344.672,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47304,
    "c": 0.17051,
    "h": 13.2
  },
  "luminance": 0.09189
}

Semantic roles & 50–950 ramp

primary

#A51C3F

secondary

#56C6AA

accent

#EEC03A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A51C3F

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

Preview Lab → · Contrast checker → · Palette generator →