#A51B4B#A51B4B

#A51B4B is a mid, vivid pink. Relative luminance 0.093; OKLCH L 47.5% C 0.173 H 7.2°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#A51B4B
RGB	rgb(165, 27, 75)
HSL	hsl(339, 72%, 38%)
HSV	hsv(339, 84%, 65%)
CMYK	cmyk(0%, 83.6%, 54.5%, 35.3%)
CIE-LAB	lab(36.54, 56.23, 8.45)
CIE-LCH	lch(36.54, 56.86, 8.54°)
OKLab	oklab(47.54% 0.1715 0.0217)
OKLCH	oklch(47.54% 0.173 7.2)
XYZ	xyz(17.1806, 9.2937, 7.5444)
Luminance	0.0929 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A51B4B #1BA575

analogous

#A51B90 #A51B4B #A5301B

triadic

#A51B4B #4BA51B #1B4BA5

tetradic

#A51B4B #90A51B #1BA575 #301BA5

square

#A51B4B #90A51B #1BA575 #301BA5

split-complementary

#A51B4B #1BA530 #1B90A5

monochromatic

#3C0A1B #701233 #A51B4B #DA2463 #E35788

Accessibility & contrast

On white

7.35

#A51B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A51B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A51B4B

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A51B4B	#FFFFFF	#000000	##FFFFFF
##A51B4B	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42454C

Deuteranopia (green-blind)

#666048

Tritanopia (blue-blind)

#B40031

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a51b4b;
/* rgb */ color: rgb(165, 27, 75);
/* oklch */ color: oklch(47.5% 0.173 7.2);

Tailwind

colors: {
  custom: {
    50: '#c6687d',
    500: '#a51b4b',
    950: '#000000',
  },
}

SCSS

$custom: #a51b4b;
$custom-light: #c6687d;
$custom-dark: #000000;

JSON

{
  "hex": "#a51b4b",
  "rgb": {
    "r": 165,
    "g": 27,
    "b": 75
  },
  "hsl": {
    "h": 339.13,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47538,
    "c": 0.17289,
    "h": 7.2
  },
  "luminance": 0.09291
}

Semantic roles & 50–950 ramp

primary

#A51B4B

secondary

#55C79F

accent

#EFB039

background

#FDF6F7

surface

#FAECEE

border

#D3C7C9

text

#140709

muted

#837A7B

Preview Lab

Preview with #A51B4B

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

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