#A64028#A64028

#A64028 is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.8% C 0.140 H 34.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#A64028
RGB	rgb(166, 64, 40)
HSL	hsl(11, 61%, 40%)
HSV	hsv(11, 76%, 65%)
CMYK	cmyk(0%, 61.4%, 75.9%, 34.9%)
CIE-LAB	lab(41.10, 40.70, 35.69)
CIE-LCH	lch(41.10, 54.13, 41.25°)
OKLab	oklab(50.77% 0.1154 0.0795)
OKLCH	oklch(50.77% 0.14 34.6)
XYZ	xyz(17.9442, 11.9295, 3.3648)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64028 #288EA6

analogous

#A6284F #A64028 #A67F28

triadic

#A64028 #28A640 #4028A6

tetradic

#A64028 #4FA628 #288EA6 #7F28A6

square

#A64028 #4FA628 #288EA6 #7F28A6

split-complementary

#A64028 #28A67F #284FA6

monochromatic

#431A10 #752D1C #A64028 #D0583B #DC826D

Accessibility & contrast

On white

6.20

#A64028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#A64028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64028

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64028	#FFFFFF	#000000	##FFFFFF
##A64028	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)

#5C5325

Deuteranopia (green-blind)

#756925

Tritanopia (blue-blind)

#B7283B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a64028;
/* rgb */ color: rgb(166, 64, 40);
/* oklch */ color: oklch(50.8% 0.140 34.6);

Tailwind

colors: {
  custom: {
    50: '#c87963',
    500: '#a64028',
    950: '#000000',
  },
}

SCSS

$custom: #a64028;
$custom-light: #c87963;
$custom-dark: #000000;

JSON

{
  "hex": "#a64028",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 40
  },
  "hsl": {
    "h": 11.429,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50772,
    "c": 0.14012,
    "h": 34.6
  },
  "luminance": 0.11927
}

Semantic roles & 50–950 ramp

primary

#A64028

secondary

#67B1C2

accent

#C6E444

background

#FDF7F5

surface

#FAEEEA

border

#D3C9C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A64028

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

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