#A6351D#A6351D

#A6351D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.153 H 33.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A6351D
RGB	rgb(166, 53, 29)
HSL	hsl(11, 70%, 38%)
HSV	hsv(11, 83%, 65%)
CMYK	cmyk(0%, 68.1%, 82.5%, 34.9%)
CIE-LAB	lab(39.15, 45.24, 39.56)
CIE-LCH	lch(39.15, 60.09, 41.17°)
OKLab	oklab(49.26% 0.1273 0.0847)
OKLCH	oklch(49.26% 0.153 33.6)
XYZ	xyz(17.2227, 10.7445, 2.3292)
Luminance	0.1074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6351D #1D8EA6

analogous

#A61D49 #A6351D #A6791D

triadic

#A6351D #1DA635 #351DA6

tetradic

#A6351D #49A61D #1D8EA6 #791DA6

square

#A6351D #49A61D #1D8EA6 #791DA6

split-complementary

#A6351D #1DA679 #1D49A6

monochromatic

#3E140B #722414 #A6351D #D94627 #E2735B

Accessibility & contrast

On white

6.67

#A6351D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A6351D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6351D

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6351D	#FFFFFF	#000000	##FFFFFF
##A6351D	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)

#564C19

Deuteranopia (green-blind)

#726518

Tritanopia (blue-blind)

#B71031

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a6351d;
/* rgb */ color: rgb(166, 53, 29);
/* oklch */ color: oklch(49.3% 0.153 33.6);

Tailwind

colors: {
  custom: {
    50: '#c9735b',
    500: '#a6351d',
    950: '#000000',
  },
}

SCSS

$custom: #a6351d;
$custom-light: #c9735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a6351d",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 29
  },
  "hsl": {
    "h": 10.511,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49264,
    "c": 0.15291,
    "h": 33.6
  },
  "luminance": 0.10742
}

Semantic roles & 50–950 ramp

primary

#A6351D

secondary

#59B3C6

accent

#CEED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6351D

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

Preview Lab → · Contrast checker → · Palette generator →