#A5311E#A5311E

#A5311E is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.155 H 31.9°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#A5311E
RGB	rgb(165, 49, 30)
HSL	hsl(8, 69%, 38%)
HSV	hsv(8, 82%, 65%)
CMYK	cmyk(0%, 70.3%, 81.8%, 35.3%)
CIE-LAB	lab(38.36, 46.57, 38.22)
CIE-LCH	lch(38.36, 60.25, 39.38°)
OKLab	oklab(48.64% 0.1318 0.0822)
OKLCH	oklch(48.64% 0.155 31.9)
XYZ	xyz(16.8517, 10.2923, 2.3273)
Luminance	0.1029 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5311E #1E92A5

analogous

#A51E4F #A5311E #A5741E

triadic

#A5311E #1EA531 #311EA5

tetradic

#A5311E #4FA51E #1E92A5 #741EA5

square

#A5311E #4FA51E #1E92A5 #741EA5

split-complementary

#A5311E #1EA574 #1E4FA5

monochromatic

#3D120B #712215 #A5311E #D84128 #E16F5C

Accessibility & contrast

On white

6.87

#A5311E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A5311E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5311E

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5311E	#FFFFFF	#000000	##FFFFFF
##A5311E	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1B

Deuteranopia (green-blind)

#706419

Tritanopia (blue-blind)

#B6032E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a5311e;
/* rgb */ color: rgb(165, 49, 30);
/* oklch */ color: oklch(48.6% 0.155 31.9);

Tailwind

colors: {
  custom: {
    50: '#c8705c',
    500: '#a5311e',
    950: '#000000',
  },
}

SCSS

$custom: #a5311e;
$custom-light: #c8705c;
$custom-dark: #000000;

JSON

{
  "hex": "#a5311e",
  "rgb": {
    "r": 165,
    "g": 49,
    "b": 30
  },
  "hsl": {
    "h": 8.444,
    "s": 69.231,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48644,
    "c": 0.15529,
    "h": 31.9
  },
  "luminance": 0.1029
}

Semantic roles & 50–950 ramp

primary

#A5311E

secondary

#59B6C5

accent

#D3EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A5311E

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

Preview Lab → · Contrast checker → · Palette generator →