#A51F2E#A51F2E

#A51F2E is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.168 H 21.4°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#A51F2E
RGB	rgb(165, 31, 46)
HSL	hsl(353, 68%, 38%)
HSV	hsv(353, 81%, 65%)
CMYK	cmyk(0%, 81.2%, 72.1%, 35.3%)
CIE-LAB	lab(36.33, 53.39, 26.71)
CIE-LCH	lch(36.33, 59.69, 26.58°)
OKLab	oklab(47.19% 0.1567 0.0613)
OKLCH	oklch(47.19% 0.168 21.4)
XYZ	xyz(16.5021, 9.1792, 3.4871)
Luminance	0.0918 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A51F2E #1FA596

analogous

#A51F71 #A51F2E #A5531F

triadic

#A51F2E #2EA51F #1F2EA5

tetradic

#A51F2E #71A51F #1FA596 #531FA5

square

#A51F2E #71A51F #1FA596 #531FA5

split-complementary

#A51F2E #1FA553 #1F71A5

monochromatic

#3E0C11 #711520 #A51F2E #D72A3E #E15E6C

Accessibility & contrast

On white

7.41

#A51F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A51F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A51F2E

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A51F2E	#FFFFFF	#000000	##FFFFFF
##A51F2E	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49432D

Deuteranopia (green-blind)

#6A6029

Tritanopia (blue-blind)

#B60026

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a51f2e;
/* rgb */ color: rgb(165, 31, 46);
/* oklch */ color: oklch(47.2% 0.168 21.4);

Tailwind

colors: {
  custom: {
    50: '#c86966',
    500: '#a51f2e',
    950: '#000000',
  },
}

SCSS

$custom: #a51f2e;
$custom-light: #c86966;
$custom-dark: #000000;

JSON

{
  "hex": "#a51f2e",
  "rgb": {
    "r": 165,
    "g": 31,
    "b": 46
  },
  "hsl": {
    "h": 353.284,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47188,
    "c": 0.16826,
    "h": 21.4
  },
  "luminance": 0.09177
}

Semantic roles & 50–950 ramp

primary

#A51F2E

secondary

#5BC5B9

accent

#EBD83D

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A51F2E

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

Preview Lab → · Contrast checker → · Palette generator →