#A7551F#A7551F

#A7551F is a mid, vivid orange. Relative luminance 0.148; OKLCH L 54.0% C 0.126 H 49.9°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#A7551F
RGB	rgb(167, 85, 31)
HSL	hsl(24, 69%, 39%)
HSV	hsv(24, 81%, 65%)
CMYK	cmyk(0%, 49.1%, 81.4%, 34.5%)
CIE-LAB	lab(45.38, 30.00, 44.54)
CIE-LCH	lch(45.38, 53.71, 56.04°)
OKLab	oklab(54.03% 0.0811 0.0962)
OKLCH	oklch(54.03% 0.126 49.9)
XYZ	xyz(19.4340, 14.8138, 3.1320)
Luminance	0.1481 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7551F #1F71A7

analogous

#A71F2D #A7551F #A7991F

triadic

#A7551F #1FA755 #551FA7

tetradic

#A7551F #2DA71F #1F71A7 #991FA7

square

#A7551F #2DA71F #1F71A7 #991FA7

split-complementary

#A7551F #1FA799 #1F2DA7

monochromatic

#40200C #733B15 #A7551F #D8702B #E1935F

Accessibility & contrast

On white

5.30

#A7551F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#A7551F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7551F

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7551F	#FFFFFF	#000000	##FFFFFF
##A7551F	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6017

Deuteranopia (green-blind)

#80731D

Tritanopia (blue-blind)

#B7434A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #a7551f;
/* rgb */ color: rgb(167, 85, 31);
/* oklch */ color: oklch(54.0% 0.126 49.9);

Tailwind

colors: {
  custom: {
    50: '#c8865f',
    500: '#a7551f',
    950: '#000000',
  },
}

SCSS

$custom: #a7551f;
$custom-light: #c8865f;
$custom-dark: #000000;

JSON

{
  "hex": "#a7551f",
  "rgb": {
    "r": 167,
    "g": 85,
    "b": 31
  },
  "hsl": {
    "h": 23.824,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.54029,
    "c": 0.12578,
    "h": 49.9
  },
  "luminance": 0.14811
}

Semantic roles & 50–950 ramp

primary

#A7551F

secondary

#5C9CC6

accent

#A6EC3C

background

#FDF8F5

surface

#FAEFE9

border

#D3CAC5

text

#140B05

muted

#837C79

Preview Lab

Preview with #A7551F

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

Preview Lab → · Contrast checker → · Palette generator →