#A64428#A64428

#A64428 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.3% C 0.136 H 36.6°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#A64428
RGB	rgb(166, 68, 40)
HSL	hsl(13, 61%, 40%)
HSV	hsv(13, 76%, 65%)
CMYK	cmyk(0%, 59%, 75.9%, 34.9%)
CIE-LAB	lab(41.84, 38.76, 36.48)
CIE-LCH	lch(41.84, 53.23, 43.26°)
OKLab	oklab(51.33% 0.1094 0.0812)
OKLCH	oklch(51.33% 0.136 36.6)
XYZ	xyz(18.1779, 12.3969, 3.4427)
Luminance	0.1239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64428 #288AA6

analogous

#A6284B #A64428 #A68328

triadic

#A64428 #28A644 #4428A6

tetradic

#A64428 #4BA628 #288AA6 #8328A6

square

#A64428 #4BA628 #288AA6 #8328A6

split-complementary

#A64428 #28A683 #284BA6

monochromatic

#431C10 #75301C #A64428 #D05C3B #DC856D

Accessibility & contrast

On white

6.04

#A64428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#A64428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64428

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64428	#FFFFFF	#000000	##FFFFFF
##A64428	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5524

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#B62E3E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a64428;
/* rgb */ color: rgb(166, 68, 40);
/* oklch */ color: oklch(51.3% 0.136 36.6);

Tailwind

colors: {
  custom: {
    50: '#c77b63',
    500: '#a64428',
    950: '#000000',
  },
}

SCSS

$custom: #a64428;
$custom-light: #c77b63;
$custom-dark: #000000;

JSON

{
  "hex": "#a64428",
  "rgb": {
    "r": 166,
    "g": 68,
    "b": 40
  },
  "hsl": {
    "h": 13.333,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51329,
    "c": 0.13624,
    "h": 36.6
  },
  "luminance": 0.12394
}

Semantic roles & 50–950 ramp

primary

#A64428

secondary

#67AEC2

accent

#C1E444

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140A05

muted

#837C7A

Preview Lab

Preview with #A64428

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

Preview Lab → · Contrast checker → · Palette generator →