#A51F35#A51F35

#A51F35 is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.3% C 0.168 H 18.4°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#A51F35
RGB	rgb(165, 31, 53)
HSL	hsl(350, 68%, 38%)
HSV	hsv(350, 81%, 65%)
CMYK	cmyk(0%, 81.2%, 67.9%, 35.3%)
CIE-LAB	lab(36.44, 53.74, 22.44)
CIE-LCH	lch(36.44, 58.24, 22.67°)
OKLab	oklab(47.31% 0.1594 0.053)
OKLCH	oklch(47.31% 0.168 18.4)
XYZ	xyz(16.6515, 9.2389, 4.2740)
Luminance	0.0924 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A51F35 #1FA58F

analogous

#A51F78 #A51F35 #A54C1F

triadic

#A51F35 #35A51F #1F35A5

tetradic

#A51F35 #78A51F #1FA58F #4C1FA5

square

#A51F35 #78A51F #1FA58F #4C1FA5

split-complementary

#A51F35 #1FA54C #1F78A5

monochromatic

#3E0C14 #711524 #A51F35 #D72A47 #E15E73

Accessibility & contrast

On white

7.38

#A51F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A51F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A51F35

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A51F35	#FFFFFF	#000000	##FFFFFF
##A51F35	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)

#484435

Deuteranopia (green-blind)

#696031

Tritanopia (blue-blind)

#B60029

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a51f35;
/* rgb */ color: rgb(165, 31, 53);
/* oklch */ color: oklch(47.3% 0.168 18.4);

Tailwind

colors: {
  custom: {
    50: '#c8696c',
    500: '#a51f35',
    950: '#000000',
  },
}

SCSS

$custom: #a51f35;
$custom-light: #c8696c;
$custom-dark: #000000;

JSON

{
  "hex": "#a51f35",
  "rgb": {
    "r": 165,
    "g": 31,
    "b": 53
  },
  "hsl": {
    "h": 350.149,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47308,
    "c": 0.16797,
    "h": 18.4
  },
  "luminance": 0.09236
}

Semantic roles & 50–950 ramp

primary

#A51F35

secondary

#5BC5B4

accent

#EBCF3D

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150706

muted

#837A7A

Preview Lab

Preview with #A51F35

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

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