#A64638#A64638

#A64638 is a mid, vivid red. Relative luminance 0.128; OKLCH L 51.8% C 0.130 H 30.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#A64638
RGB	rgb(166, 70, 56)
HSL	hsl(8, 50%, 44%)
HSV	hsv(8, 66%, 65%)
CMYK	cmyk(0%, 57.8%, 66.3%, 34.9%)
CIE-LAB	lab(42.42, 38.63, 28.05)
CIE-LCH	lch(42.42, 47.74, 35.98°)
OKLab	oklab(51.84% 0.1121 0.0658)
OKLCH	oklch(51.84% 0.13 30.4)
XYZ	xyz(18.6316, 12.7752, 5.2254)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64638 #3898A6

analogous

#A63861 #A64638 #A67D38

triadic

#A64638 #38A646 #4638A6

tetradic

#A64638 #61A638 #3898A6 #7D38A6

square

#A64638 #61A638 #3898A6 #7D38A6

split-complementary

#A64638 #38A67D #3861A6

monochromatic

#4A1F19 #783329 #A64638 #C66455 #D58E83

Accessibility & contrast

On white

5.91

#A64638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#A64638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64638

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64638	#FFFFFF	#000000	##FFFFFF
##A64638	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5736

Deuteranopia (green-blind)

#776C36

Tritanopia (blue-blind)

#B63343

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #a64638;
/* rgb */ color: rgb(166, 70, 56);
/* oklch */ color: oklch(51.8% 0.130 30.4);

Tailwind

colors: {
  custom: {
    50: '#c67d6f',
    500: '#a64638',
    950: '#000000',
  },
}

SCSS

$custom: #a64638;
$custom-light: #c67d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a64638",
  "rgb": {
    "r": 166,
    "g": 70,
    "b": 56
  },
  "hsl": {
    "h": 7.636,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51835,
    "c": 0.12998,
    "h": 30.4
  },
  "luminance": 0.12773
}

Semantic roles & 50–950 ramp

primary

#A64638

secondary

#7BB6BF

accent

#C7D94F

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140A07

muted

#837C7A

Preview Lab

Preview with #A64638

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

Preview Lab → · Contrast checker → · Palette generator →