#A81F40#A81F40

#A81F40 is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.1% C 0.171 H 13.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A81F40
RGB	rgb(168, 31, 64)
HSL	hsl(346, 69%, 39%)
HSV	hsv(346, 82%, 66%)
CMYK	cmyk(0%, 81.5%, 61.9%, 34.1%)
CIE-LAB	lab(37.26, 55.25, 16.60)
CIE-LCH	lch(37.26, 57.69, 16.73°)
OKLab	oklab(48.09% 0.1661 0.0406)
OKLCH	oklch(48.09% 0.171 13.7)
XYZ	xyz(17.5657, 9.6776, 5.7925)
Luminance	0.0968 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81F40 #1FA887

analogous

#A81F85 #A81F40 #A8421F

triadic

#A81F40 #40A81F #1F40A8

tetradic

#A81F40 #85A81F #1FA887 #421FA8

square

#A81F40 #85A81F #1FA887 #421FA8

split-complementary

#A81F40 #1FA842 #1F85A8

monochromatic

#410C19 #74152C #A81F40 #D82C56 #E2607F

Accessibility & contrast

On white

7.16

#A81F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A81F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81F40

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81F40	#FFFFFF	#000000	##FFFFFF
##A81F40	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474640

Deuteranopia (green-blind)

#6A623C

Tritanopia (blue-blind)

#B8002E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a81f40;
/* rgb */ color: rgb(168, 31, 64);
/* oklch */ color: oklch(48.1% 0.171 13.7);

Tailwind

colors: {
  custom: {
    50: '#c96a74',
    500: '#a81f40',
    950: '#000000',
  },
}

SCSS

$custom: #a81f40;
$custom-light: #c96a74;
$custom-dark: #000000;

JSON

{
  "hex": "#a81f40",
  "rgb": {
    "r": 168,
    "g": 31,
    "b": 64
  },
  "hsl": {
    "h": 345.547,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48087,
    "c": 0.17103,
    "h": 13.7
  },
  "luminance": 0.09675
}

Semantic roles & 50–950 ramp

primary

#A81F40

secondary

#5DC6AD

accent

#ECC13C

background

#FDF6F7

surface

#FAECED

border

#D3C7C8

text

#150708

muted

#837A7B

Preview Lab

Preview with #A81F40

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

Preview Lab → · Contrast checker → · Palette generator →