#A51F34#A51F34

#A51F34 is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.3% C 0.168 H 18.8°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#A51F34
RGB	rgb(165, 31, 52)
HSL	hsl(351, 68%, 38%)
HSV	hsv(351, 81%, 65%)
CMYK	cmyk(0%, 81.2%, 68.5%, 35.3%)
CIE-LAB	lab(36.42, 53.69, 23.06)
CIE-LCH	lch(36.42, 58.43, 23.24°)
OKLab	oklab(47.29% 0.159 0.0542)
OKLCH	oklch(47.29% 0.168 18.8)
XYZ	xyz(16.6287, 9.2298, 4.1541)
Luminance	0.0923 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A51F34 #1FA590

analogous

#A51F77 #A51F34 #A54D1F

triadic

#A51F34 #34A51F #1F34A5

tetradic

#A51F34 #77A51F #1FA590 #4D1FA5

square

#A51F34 #77A51F #1FA590 #4D1FA5

split-complementary

#A51F34 #1FA54D #1F77A5

monochromatic

#3E0C14 #711524 #A51F34 #D72A45 #E15E72

Accessibility & contrast

On white

7.38

#A51F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A51F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A51F34

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A51F34	#FFFFFF	#000000	##FFFFFF
##A51F34	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484434

Deuteranopia (green-blind)

#696030

Tritanopia (blue-blind)

#B60028

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a51f34;
/* rgb */ color: rgb(165, 31, 52);
/* oklch */ color: oklch(47.3% 0.168 18.8);

Tailwind

colors: {
  custom: {
    50: '#c8696b',
    500: '#a51f34',
    950: '#000000',
  },
}

SCSS

$custom: #a51f34;
$custom-light: #c8696b;
$custom-dark: #000000;

JSON

{
  "hex": "#a51f34",
  "rgb": {
    "r": 165,
    "g": 31,
    "b": 52
  },
  "hsl": {
    "h": 350.597,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4729,
    "c": 0.16799,
    "h": 18.8
  },
  "luminance": 0.09227
}

Semantic roles & 50–950 ramp

primary

#A51F34

secondary

#5BC5B4

accent

#EBD03D

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A51F34

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

Preview Lab → · Contrast checker → · Palette generator →