#A64639#A64639

#A64639 is a mid, vivid red. Relative luminance 0.128; OKLCH L 51.9% C 0.130 H 29.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#A64639
RGB	rgb(166, 70, 57)
HSL	hsl(7, 49%, 44%)
HSV	hsv(7, 66%, 65%)
CMYK	cmyk(0%, 57.8%, 65.7%, 34.9%)
CIE-LAB	lab(42.44, 38.69, 27.48)
CIE-LCH	lch(42.44, 47.46, 35.38°)
OKLab	oklab(51.85% 0.1125 0.0647)
OKLCH	oklch(51.85% 0.13 29.9)
XYZ	xyz(18.6563, 12.7851, 5.3554)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64639 #3999A6

analogous

#A63962 #A64639 #A67C39

triadic

#A64639 #39A646 #4639A6

tetradic

#A64639 #62A639 #3999A6 #7C39A6

square

#A64639 #62A639 #3999A6 #7C39A6

split-complementary

#A64639 #39A67C #3962A6

monochromatic

#4B201A #783329 #A64639 #C56457 #D58E84

Accessibility & contrast

On white

5.90

#A64639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#A64639 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64639

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64639	#FFFFFF	#000000	##FFFFFF
##A64639	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5737

Deuteranopia (green-blind)

#776C37

Tritanopia (blue-blind)

#B63343

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #a64639;
/* rgb */ color: rgb(166, 70, 57);
/* oklch */ color: oklch(51.9% 0.130 29.9);

Tailwind

colors: {
  custom: {
    50: '#c67d6f',
    500: '#a64639',
    950: '#000000',
  },
}

SCSS

$custom: #a64639;
$custom-light: #c67d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a64639",
  "rgb": {
    "r": 166,
    "g": 70,
    "b": 57
  },
  "hsl": {
    "h": 7.156,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51851,
    "c": 0.12974,
    "h": 29.9
  },
  "luminance": 0.12783
}

Semantic roles & 50–950 ramp

primary

#A64639

secondary

#7CB7BF

accent

#C8D84F

background

#FCF7F6

surface

#F9EEEC

border

#D2C9C7

text

#140A07

muted

#827C7A

Preview Lab

Preview with #A64639

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

Preview Lab → · Contrast checker → · Palette generator →