#A64531#A64531

#A64531 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.6% C 0.133 H 33.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#A64531
RGB	rgb(166, 69, 49)
HSL	hsl(10, 54%, 42%)
HSV	hsv(10, 70%, 65%)
CMYK	cmyk(0%, 58.4%, 70.5%, 34.9%)
CIE-LAB	lab(42.13, 38.72, 31.78)
CIE-LCH	lch(42.13, 50.09, 39.38°)
OKLab	oklab(51.59% 0.111 0.073)
OKLCH	oklch(51.59% 0.133 33.3)
XYZ	xyz(18.4102, 12.5874, 4.3653)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64531 #3192A6

analogous

#A63158 #A64531 #A67F31

triadic

#A64531 #31A645 #4531A6

tetradic

#A64531 #58A631 #3192A6 #7F31A6

square

#A64531 #58A631 #3192A6 #7F31A6

split-complementary

#A64531 #31A67F #3158A6

monochromatic

#471E15 #773123 #A64531 #CA604A #D88A7A

Accessibility & contrast

On white

5.97

#A64531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#A64531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64531

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64531	#FFFFFF	#000000	##FFFFFF
##A64531	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562F

Deuteranopia (green-blind)

#776B2E

Tritanopia (blue-blind)

#B63041

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a64531;
/* rgb */ color: rgb(166, 69, 49);
/* oklch */ color: oklch(51.6% 0.133 33.3);

Tailwind

colors: {
  custom: {
    50: '#c77c6a',
    500: '#a64531',
    950: '#000000',
  },
}

SCSS

$custom: #a64531;
$custom-light: #c77c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#a64531",
  "rgb": {
    "r": 166,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 10.256,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51586,
    "c": 0.13281,
    "h": 33.3
  },
  "luminance": 0.12585
}

Semantic roles & 50–950 ramp

primary

#A64531

secondary

#73B3C0

accent

#C5DE4A

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140A06

muted

#837C7A

Preview Lab

Preview with #A64531

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

Preview Lab → · Contrast checker → · Palette generator →