#A9311C#A9311C

#A9311C is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.160 H 32.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#A9311C
RGB	rgb(169, 49, 28)
HSL	hsl(9, 72%, 39%)
HSV	hsv(9, 83%, 66%)
CMYK	cmyk(0%, 71%, 83.4%, 33.7%)
CIE-LAB	lab(39.10, 47.87, 40.23)
CIE-LCH	lch(39.10, 62.53, 40.04°)
OKLab	oklab(49.33% 0.135 0.0855)
OKLCH	oklch(49.33% 0.16 32.3)
XYZ	xyz(17.6722, 10.7182, 2.2367)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9311C #1C94A9

analogous

#A91C4D #A9311C #A9771C

triadic

#A9311C #1CA931 #311CA9

tetradic

#A9311C #4DA91C #1C94A9 #771CA9

square

#A9311C #4DA91C #1C94A9 #771CA9

split-complementary

#A9311C #1CA977 #1C4DA9

monochromatic

#40130B #742213 #A9311C #DB4227 #E4705B

Accessibility & contrast

On white

6.68

#A9311C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A9311C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A9311C

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9311C	#FFFFFF	#000000	##FFFFFF
##A9311C	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B18

Deuteranopia (green-blind)

#726616

Tritanopia (blue-blind)

#BA002D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a9311c;
/* rgb */ color: rgb(169, 49, 28);
/* oklch */ color: oklch(49.3% 0.160 32.3);

Tailwind

colors: {
  custom: {
    50: '#cc715a',
    500: '#a9311c',
    950: '#000000',
  },
}

SCSS

$custom: #a9311c;
$custom-light: #cc715a;
$custom-dark: #000000;

JSON

{
  "hex": "#a9311c",
  "rgb": {
    "r": 169,
    "g": 49,
    "b": 28
  },
  "hsl": {
    "h": 8.936,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49331,
    "c": 0.1598,
    "h": 32.3
  },
  "luminance": 0.10715
}

Semantic roles & 50–950 ramp

primary

#A9311C

secondary

#59B7C8

accent

#D3EE39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A9311C

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

Preview Lab → · Contrast checker → · Palette generator →