#A64B2B#A64B2B

#A64B2B is a mid, vivid orange. Relative luminance 0.133; OKLCH L 52.4% C 0.129 H 39.4°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#A64B2B
RGB	rgb(166, 75, 43)
HSL	hsl(16, 59%, 41%)
HSV	hsv(16, 74%, 65%)
CMYK	cmyk(0%, 54.8%, 74.1%, 34.9%)
CIE-LAB	lab(43.24, 35.38, 36.36)
CIE-LCH	lch(43.24, 50.73, 45.79°)
OKLab	oklab(52.4% 0.0995 0.0817)
OKLCH	oklch(52.4% 0.129 39.4)
XYZ	xyz(18.6798, 13.3159, 3.8716)
Luminance	0.1331 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64B2B #2B86A6

analogous

#A62B48 #A64B2B #A6882B

triadic

#A64B2B #2BA64B #4B2BA6

tetradic

#A64B2B #48A62B #2B86A6 #882BA6

square

#A64B2B #48A62B #2B86A6 #882BA6

split-complementary

#A64B2B #2BA688 #2B48A6

monochromatic

#451F12 #75351E #A64B2B #CE6541 #DA8C71

Accessibility & contrast

On white

5.73

#A64B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#A64B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64B2B

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64B2B	#FFFFFF	#000000	##FFFFFF
##A64B2B	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A27

Deuteranopia (green-blind)

#7A6E29

Tritanopia (blue-blind)

#B63844

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #a64b2b;
/* rgb */ color: rgb(166, 75, 43);
/* oklch */ color: oklch(52.4% 0.129 39.4);

Tailwind

colors: {
  custom: {
    50: '#c78066',
    500: '#a64b2b',
    950: '#000000',
  },
}

SCSS

$custom: #a64b2b;
$custom-light: #c78066;
$custom-dark: #000000;

JSON

{
  "hex": "#a64b2b",
  "rgb": {
    "r": 166,
    "g": 75,
    "b": 43
  },
  "hsl": {
    "h": 15.61,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.52397,
    "c": 0.12875,
    "h": 39.4
  },
  "luminance": 0.13314
}

Semantic roles & 50–950 ramp

primary

#A64B2B

secondary

#6BABC1

accent

#B9E246

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140A06

muted

#837C7A

Preview Lab

Preview with #A64B2B

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

Preview Lab → · Contrast checker → · Palette generator →