#A9311F#A9311F

#A9311F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.159 H 31.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A9311F
RGB	rgb(169, 49, 31)
HSL	hsl(8, 69%, 39%)
HSV	hsv(8, 82%, 66%)
CMYK	cmyk(0%, 71%, 81.7%, 33.7%)
CIE-LAB	lab(39.13, 47.96, 38.70)
CIE-LCH	lch(39.13, 61.63, 38.90°)
OKLab	oklab(49.36% 0.1359 0.0832)
OKLCH	oklch(49.36% 0.159 31.5)
XYZ	xyz(17.7099, 10.7333, 2.4353)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9311F #1F97A9

analogous

#A91F52 #A9311F #A9761F

triadic

#A9311F #1FA931 #311FA9

tetradic

#A9311F #52A91F #1F97A9 #761FA9

square

#A9311F #52A91F #1F97A9 #761FA9

split-complementary

#A9311F #1FA976 #1F52A9

monochromatic

#42130C #752216 #A9311F #D8432D #E27160

Accessibility & contrast

On white

6.67

#A9311F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A9311F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A9311F

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9311F	#FFFFFF	#000000	##FFFFFF
##A9311F	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B1C

Deuteranopia (green-blind)

#726619

Tritanopia (blue-blind)

#BA002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a9311f;
/* rgb */ color: rgb(169, 49, 31);
/* oklch */ color: oklch(49.4% 0.159 31.5);

Tailwind

colors: {
  custom: {
    50: '#cb715c',
    500: '#a9311f',
    950: '#000000',
  },
}

SCSS

$custom: #a9311f;
$custom-light: #cb715c;
$custom-dark: #000000;

JSON

{
  "hex": "#a9311f",
  "rgb": {
    "r": 169,
    "g": 49,
    "b": 31
  },
  "hsl": {
    "h": 7.826,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49359,
    "c": 0.1593,
    "h": 31.5
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#A9311F

secondary

#5DB9C7

accent

#D5EC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A9311F

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

Preview Lab → · Contrast checker → · Palette generator →