#A64C28#A64C28

#A64C28 is a mid, vivid orange. Relative luminance 0.134; OKLCH L 52.5% C 0.129 H 41.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#A64C28
RGB	rgb(166, 76, 40)
HSL	hsl(17, 61%, 40%)
HSV	hsv(17, 76%, 65%)
CMYK	cmyk(0%, 54.2%, 75.9%, 34.9%)
CIE-LAB	lab(43.41, 34.72, 38.14)
CIE-LCH	lch(43.41, 51.58, 47.69°)
OKLab	oklab(52.52% 0.097 0.0848)
OKLCH	oklch(52.52% 0.129 41.2)
XYZ	xyz(18.6952, 13.4315, 3.6151)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64C28 #2882A6

analogous

#A62843 #A64C28 #A68B28

triadic

#A64C28 #28A64C #4C28A6

tetradic

#A64C28 #43A628 #2882A6 #8B28A6

square

#A64C28 #43A628 #2882A6 #8B28A6

split-complementary

#A64C28 #28A68B #2843A6

monochromatic

#431F10 #75351C #A64C28 #D0663B #DC8C6D

Accessibility & contrast

On white

5.70

#A64C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#A64C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64C28

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64C28	#FFFFFF	#000000	##FFFFFF
##A64C28	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655A24

Deuteranopia (green-blind)

#7B6E26

Tritanopia (blue-blind)

#B63944

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #a64c28;
/* rgb */ color: rgb(166, 76, 40);
/* oklch */ color: oklch(52.5% 0.129 41.2);

Tailwind

colors: {
  custom: {
    50: '#c78064',
    500: '#a64c28',
    950: '#000000',
  },
}

SCSS

$custom: #a64c28;
$custom-light: #c78064;
$custom-dark: #000000;

JSON

{
  "hex": "#a64c28",
  "rgb": {
    "r": 166,
    "g": 76,
    "b": 40
  },
  "hsl": {
    "h": 17.143,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52517,
    "c": 0.12883,
    "h": 41.2
  },
  "luminance": 0.13429
}

Semantic roles & 50–950 ramp

primary

#A64C28

secondary

#67A8C2

accent

#B6E444

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140A05

muted

#837C7A

Preview Lab

Preview with #A64C28

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

Preview Lab → · Contrast checker → · Palette generator →