#A7521F#A7521F

#A7521F is a mid, vivid orange. Relative luminance 0.143; OKLCH L 53.5% C 0.128 H 47.8°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#A7521F
RGB	rgb(167, 82, 31)
HSL	hsl(23, 69%, 39%)
HSV	hsv(23, 81%, 65%)
CMYK	cmyk(0%, 50.9%, 81.4%, 34.5%)
CIE-LAB	lab(44.73, 31.61, 43.94)
CIE-LCH	lch(44.73, 54.13, 54.27°)
OKLab	oklab(53.54% 0.0859 0.0948)
OKLCH	oklch(53.54% 0.128 47.8)
XYZ	xyz(19.2029, 14.3514, 3.0549)
Luminance	0.1435 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7521F #1F74A7

analogous

#A71F30 #A7521F #A7961F

triadic

#A7521F #1FA752 #521FA7

tetradic

#A7521F #30A71F #1F74A7 #961FA7

square

#A7521F #30A71F #1F74A7 #961FA7

split-complementary

#A7521F #1FA796 #1F30A7

monochromatic

#401F0C #733915 #A7521F #D86C2B #E1905F

Accessibility & contrast

On white

5.43

#A7521F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#A7521F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7521F

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7521F	#FFFFFF	#000000	##FFFFFF
##A7521F	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5E18

Deuteranopia (green-blind)

#7F711D

Tritanopia (blue-blind)

#B73F48

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #a7521f;
/* rgb */ color: rgb(167, 82, 31);
/* oklch */ color: oklch(53.5% 0.128 47.8);

Tailwind

colors: {
  custom: {
    50: '#c8845f',
    500: '#a7521f',
    950: '#000000',
  },
}

SCSS

$custom: #a7521f;
$custom-light: #c8845f;
$custom-dark: #000000;

JSON

{
  "hex": "#a7521f",
  "rgb": {
    "r": 167,
    "g": 82,
    "b": 31
  },
  "hsl": {
    "h": 22.5,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.53535,
    "c": 0.12798,
    "h": 47.8
  },
  "luminance": 0.14349
}

Semantic roles & 50–950 ramp

primary

#A7521F

secondary

#5C9EC6

accent

#AAEC3C

background

#FDF8F5

surface

#FAEFE9

border

#D3CAC5

text

#140B05

muted

#837C79

Preview Lab

Preview with #A7521F

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

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