#A7391F#A7391F

#A7391F is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.150 H 34.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A7391F
RGB	rgb(167, 57, 31)
HSL	hsl(11, 69%, 39%)
HSV	hsv(11, 81%, 65%)
CMYK	cmyk(0%, 65.9%, 81.4%, 34.5%)
CIE-LAB	lab(39.99, 43.93, 39.41)
CIE-LCH	lch(39.99, 59.01, 41.89°)
OKLab	oklab(49.94% 0.1236 0.0849)
OKLCH	oklch(49.94% 0.15 34.5)
XYZ	xyz(17.6488, 11.2433, 2.5369)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7391F #1F8DA7

analogous

#A71F49 #A7391F #A77D1F

triadic

#A7391F #1FA739 #391FA7

tetradic

#A7391F #49A71F #1F8DA7 #7D1FA7

square

#A7391F #49A71F #1F8DA7 #7D1FA7

split-complementary

#A7391F #1FA77D #1F49A7

monochromatic

#40160C #732715 #A7391F #D84C2B #E1785F

Accessibility & contrast

On white

6.47

#A7391F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A7391F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7391F

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7391F	#FFFFFF	#000000	##FFFFFF
##A7391F	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1B

Deuteranopia (green-blind)

#74671A

Tritanopia (blue-blind)

#B81934

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a7391f;
/* rgb */ color: rgb(167, 57, 31);
/* oklch */ color: oklch(49.9% 0.150 34.5);

Tailwind

colors: {
  custom: {
    50: '#c9755d',
    500: '#a7391f',
    950: '#000000',
  },
}

SCSS

$custom: #a7391f;
$custom-light: #c9755d;
$custom-dark: #000000;

JSON

{
  "hex": "#a7391f",
  "rgb": {
    "r": 167,
    "g": 57,
    "b": 31
  },
  "hsl": {
    "h": 11.471,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49935,
    "c": 0.14992,
    "h": 34.5
  },
  "luminance": 0.11241
}

Semantic roles & 50–950 ramp

primary

#A7391F

secondary

#5CB2C6

accent

#CAEC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A7391F

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

Preview Lab → · Contrast checker → · Palette generator →