#A6402B#A6402B

#A6402B is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.8% C 0.139 H 33.4°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#A6402B
RGB	rgb(166, 64, 43)
HSL	hsl(10, 59%, 41%)
HSV	hsv(10, 74%, 65%)
CMYK	cmyk(0%, 61.4%, 74.1%, 34.9%)
CIE-LAB	lab(41.14, 40.83, 34.06)
CIE-LCH	lch(41.14, 53.17, 39.83°)
OKLab	oklab(50.81% 0.1164 0.0767)
OKLCH	oklch(50.81% 0.139 33.4)
XYZ	xyz(17.9972, 11.9507, 3.6441)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6402B #2B91A6

analogous

#A62B53 #A6402B #A67D2B

triadic

#A6402B #2BA640 #402BA6

tetradic

#A6402B #53A62B #2B91A6 #7D2BA6

square

#A6402B #53A62B #2B91A6 #7D2BA6

split-complementary

#A6402B #2BA67D #2B53A6

monochromatic

#451B12 #752D1E #A6402B #CE5941 #DA8371

Accessibility & contrast

On white

6.20

#A6402B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#A6402B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6402B

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6402B	#FFFFFF	#000000	##FFFFFF
##A6402B	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5328

Deuteranopia (green-blind)

#756928

Tritanopia (blue-blind)

#B6283C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a6402b;
/* rgb */ color: rgb(166, 64, 43);
/* oklch */ color: oklch(50.8% 0.139 33.4);

Tailwind

colors: {
  custom: {
    50: '#c87965',
    500: '#a6402b',
    950: '#000000',
  },
}

SCSS

$custom: #a6402b;
$custom-light: #c87965;
$custom-dark: #000000;

JSON

{
  "hex": "#a6402b",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 43
  },
  "hsl": {
    "h": 10.244,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50808,
    "c": 0.13937,
    "h": 33.4
  },
  "luminance": 0.11948
}

Semantic roles & 50–950 ramp

primary

#A6402B

secondary

#6BB3C1

accent

#C7E246

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A6402B

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

Preview Lab → · Contrast checker → · Palette generator →