#A6351C#A6351C

#A6351C is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.153 H 33.9°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A6351C
RGB	rgb(166, 53, 28)
HSL	hsl(11, 71%, 38%)
HSV	hsv(11, 83%, 65%)
CMYK	cmyk(0%, 68.1%, 83.1%, 34.9%)
CIE-LAB	lab(39.14, 45.21, 40.06)
CIE-LCH	lch(39.14, 60.40, 41.55°)
OKLab	oklab(49.26% 0.1271 0.0854)
OKLCH	oklch(49.26% 0.153 33.9)
XYZ	xyz(17.2106, 10.7396, 2.2651)
Luminance	0.1074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6351C #1C8DA6

analogous

#A61C48 #A6351C #A67A1C

triadic

#A6351C #1CA635 #351CA6

tetradic

#A6351C #48A61C #1C8DA6 #7A1CA6

square

#A6351C #48A61C #1C8DA6 #7A1CA6

split-complementary

#A6351C #1CA67A #1C48A6

monochromatic

#3D140A #722413 #A6351C #DA4625 #E37259

Accessibility & contrast

On white

6.67

#A6351C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A6351C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6351C

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6351C	#FFFFFF	#000000	##FFFFFF
##A6351C	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)

#564C18

Deuteranopia (green-blind)

#726516

Tritanopia (blue-blind)

#B70F30

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a6351c;
/* rgb */ color: rgb(166, 53, 28);
/* oklch */ color: oklch(49.3% 0.153 33.9);

Tailwind

colors: {
  custom: {
    50: '#c9735b',
    500: '#a6351c',
    950: '#000000',
  },
}

SCSS

$custom: #a6351c;
$custom-light: #c9735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a6351c",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 28
  },
  "hsl": {
    "h": 10.87,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.49255,
    "c": 0.15309,
    "h": 33.9
  },
  "luminance": 0.10737
}

Semantic roles & 50–950 ramp

primary

#A6351C

secondary

#57B2C7

accent

#CDEE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6351C

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

Preview Lab → · Contrast checker → · Palette generator →