#A91E1E#A91E1E

#A91E1E is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.174 H 27.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A91E1E
RGB	rgb(169, 30, 30)
HSL	hsl(0, 70%, 39%)
HSV	hsv(0, 82%, 66%)
CMYK	cmyk(0%, 82.2%, 82.2%, 33.7%)
CIE-LAB	lab(36.86, 54.23, 37.03)
CIE-LCH	lch(36.86, 65.67, 34.32°)
OKLab	oklab(47.66% 0.1553 0.0791)
OKLCH	oklch(47.66% 0.174 27)
XYZ	xyz(17.0629, 9.4601, 2.1556)
Luminance	0.0946 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A91E1E #1EA9A9

analogous

#A91E64 #A91E1E #A9641E

triadic

#A91E1E #1EA91E #1E1EA9

tetradic

#A91E1E #64A91E #1EA9A9 #641EA9

square

#A91E1E #64A91E #1EA9A9 #641EA9

split-complementary

#A91E1E #1EA964 #1E64A9

monochromatic

#410C0C #751515 #A91E1E #D92B2B #E35F5F

Accessibility & contrast

On white

7.26

#A91E1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A91E1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A91E1E

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A91E1E	#FFFFFF	#000000	##FFFFFF
##A91E1E	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C431C

Deuteranopia (green-blind)

#6D6117

Tritanopia (blue-blind)

#BB0020

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a91e1e;
/* rgb */ color: rgb(169, 30, 30);
/* oklch */ color: oklch(47.7% 0.174 27.0);

Tailwind

colors: {
  custom: {
    50: '#cc695b',
    500: '#a91e1e',
    950: '#000000',
  },
}

SCSS

$custom: #a91e1e;
$custom-light: #cc695b;
$custom-dark: #000000;

JSON

{
  "hex": "#a91e1e",
  "rgb": {
    "r": 169,
    "g": 30,
    "b": 30
  },
  "hsl": {
    "h": 0,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47662,
    "c": 0.17429,
    "h": 27
  },
  "luminance": 0.09457
}

Semantic roles & 50–950 ramp

primary

#A91E1E

secondary

#5CC7C7

accent

#EDED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A91E1E

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

Preview Lab → · Contrast checker → · Palette generator →