#A3402D#A3402D

#A3402D is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.3% C 0.135 H 32.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#A3402D
RGB	rgb(163, 64, 45)
HSL	hsl(10, 57%, 41%)
HSV	hsv(10, 72%, 64%)
CMYK	cmyk(0%, 60.7%, 72.4%, 36.1%)
CIE-LAB	lab(40.65, 39.81, 32.23)
CIE-LCH	lch(40.65, 51.22, 39.00°)
OKLab	oklab(50.35% 0.1139 0.0733)
OKLCH	oklch(50.35% 0.135 32.8)
XYZ	xyz(17.4131, 11.6451, 3.8129)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3402D #2D90A3

analogous

#A32D55 #A3402D #A37B2D

triadic

#A3402D #2DA340 #402DA3

tetradic

#A3402D #55A32D #2D90A3 #7B2DA3

square

#A3402D #55A32D #2D90A3 #7B2DA3

split-complementary

#A3402D #2DA37B #2D55A3

monochromatic

#431A13 #732D20 #A3402D #CB5842 #D88372

Accessibility & contrast

On white

6.31

#A3402D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A3402D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3402D

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3402D	#FFFFFF	#000000	##FFFFFF
##A3402D	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B522B

Deuteranopia (green-blind)

#73682A

Tritanopia (blue-blind)

#B32A3C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a3402d;
/* rgb */ color: rgb(163, 64, 45);
/* oklch */ color: oklch(50.3% 0.135 32.8);

Tailwind

colors: {
  custom: {
    50: '#c57967',
    500: '#a3402d',
    950: '#000000',
  },
}

SCSS

$custom: #a3402d;
$custom-light: #c57967;
$custom-dark: #000000;

JSON

{
  "hex": "#a3402d",
  "rgb": {
    "r": 163,
    "g": 64,
    "b": 45
  },
  "hsl": {
    "h": 9.661,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50346,
    "c": 0.13548,
    "h": 32.8
  },
  "luminance": 0.11643
}

Semantic roles & 50–950 ramp

primary

#A3402D

secondary

#6CB2C0

accent

#C7E048

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A3402D

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

Preview Lab → · Contrast checker → · Palette generator →