#A7381F#A7381F

#A7381F is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.151 H 34.1°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A7381F
RGB	rgb(167, 56, 31)
HSL	hsl(11, 69%, 39%)
HSV	hsv(11, 81%, 65%)
CMYK	cmyk(0%, 66.5%, 81.4%, 34.5%)
CIE-LAB	lab(39.82, 44.37, 39.25)
CIE-LCH	lch(39.82, 59.23, 41.50°)
OKLab	oklab(49.81% 0.1249 0.0846)
OKLCH	oklch(49.81% 0.151 34.1)
XYZ	xyz(17.5998, 11.1454, 2.5206)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7381F #1F8EA7

analogous

#A71F4A #A7381F #A77C1F

triadic

#A7381F #1FA738 #381FA7

tetradic

#A7381F #4AA71F #1F8EA7 #7C1FA7

square

#A7381F #4AA71F #1F8EA7 #7C1FA7

split-complementary

#A7381F #1FA77C #1F4AA7

monochromatic

#40150C #732715 #A7381F #D84B2B #E1775F

Accessibility & contrast

On white

6.50

#A7381F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A7381F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7381F

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7381F	#FFFFFF	#000000	##FFFFFF
##A7381F	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1B

Deuteranopia (green-blind)

#73671A

Tritanopia (blue-blind)

#B81733

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a7381f;
/* rgb */ color: rgb(167, 56, 31);
/* oklch */ color: oklch(49.8% 0.151 34.1);

Tailwind

colors: {
  custom: {
    50: '#c9745d',
    500: '#a7381f',
    950: '#000000',
  },
}

SCSS

$custom: #a7381f;
$custom-light: #c9745d;
$custom-dark: #000000;

JSON

{
  "hex": "#a7381f",
  "rgb": {
    "r": 167,
    "g": 56,
    "b": 31
  },
  "hsl": {
    "h": 11.029,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49813,
    "c": 0.15085,
    "h": 34.1
  },
  "luminance": 0.11143
}

Semantic roles & 50–950 ramp

primary

#A7381F

secondary

#5CB2C6

accent

#CBEC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A7381F

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

Preview Lab → · Contrast checker → · Palette generator →