#A01817#A01817

#A01817 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.5% C 0.170 H 27.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#A01817
RGB	rgb(160, 24, 23)
HSL	hsl(0, 75%, 36%)
HSV	hsv(0, 86%, 63%)
CMYK	cmyk(0%, 85%, 85.6%, 37.3%)
CIE-LAB	lab(34.38, 52.94, 37.84)
CIE-LCH	lch(34.38, 65.07, 35.56°)
OKLab	oklab(45.48% 0.1509 0.0791)
OKLCH	oklch(45.48% 0.17 27.7)
XYZ	xyz(14.9804, 8.1912, 1.6028)
Luminance	0.0819 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01817 #179FA0

analogous

#A0175A #A01817 #A05C17

triadic

#A01817 #17A018 #1817A0

tetradic

#A01817 #5AA017 #179FA0 #5C17A0

square

#A01817 #5AA017 #179FA0 #5C17A0

split-complementary

#A01817 #17A05C #175AA0

monochromatic

#350808 #6A100F #A01817 #D6201F #E54D4C

Accessibility & contrast

On white

7.96

#A01817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#A01817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01817

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01817	#FFFFFF	#000000	##FFFFFF
##A01817	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E14

Deuteranopia (green-blind)

#675B0E

Tritanopia (blue-blind)

#B1001A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01817;
/* rgb */ color: rgb(160, 24, 23);
/* oklch */ color: oklch(45.5% 0.170 27.7);

Tailwind

colors: {
  custom: {
    50: '#c66556',
    500: '#a01817',
    950: '#000000',
  },
}

SCSS

$custom: #a01817;
$custom-light: #c66556;
$custom-dark: #000000;

JSON

{
  "hex": "#a01817",
  "rgb": {
    "r": 160,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 0.438,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45477,
    "c": 0.17033,
    "h": 27.7
  },
  "luminance": 0.08189
}

Semantic roles & 50–950 ramp

primary

#A01817

secondary

#4CC6C7

accent

#F0F136

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150603

muted

#837A78

Preview Lab

Preview with #A01817

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

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