#A6631D#A6631D

#A6631D is a mid, moderate orange. Relative luminance 0.171; OKLCH L 56.3% C 0.118 H 61.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#A6631D
RGB	rgb(166, 99, 29)
HSL	hsl(31, 70%, 38%)
HSV	hsv(31, 83%, 65%)
CMYK	cmyk(0%, 40.4%, 82.5%, 34.9%)
CIE-LAB	lab(48.41, 21.78, 48.13)
CIE-LCH	lch(48.41, 52.82, 65.65°)
OKLab	oklab(56.33% 0.0564 0.1035)
OKLCH	oklch(56.33% 0.118 61.4)
XYZ	xyz(20.4113, 17.1215, 3.3920)
Luminance	0.1712 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6631D #1D60A6

analogous

#A61F1D #A6631D #A4A61D

triadic

#A6631D #1DA663 #631DA6

tetradic

#A6631D #1DA61F #1D60A6 #A61DA4

square

#A6631D #1DA61F #1D60A6 #A61DA4

split-complementary

#A6631D #1DA4A6 #1F1DA6

monochromatic

#3E250B #724414 #A6631D #D98227 #E2A05B

Accessibility & contrast

On white

4.75

#A6631D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#A6631D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6631D

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6631D	#FFFFFF	#000000	##FFFFFF
##A6631D	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786A11

Deuteranopia (green-blind)

#88791E

Tritanopia (blue-blind)

#B65455

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #a6631d;
/* rgb */ color: rgb(166, 99, 29);
/* oklch */ color: oklch(56.3% 0.118 61.4);

Tailwind

colors: {
  custom: {
    50: '#c68f5f',
    500: '#a6631d',
    950: '#000000',
  },
}

SCSS

$custom: #a6631d;
$custom-light: #c68f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a6631d",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 29
  },
  "hsl": {
    "h": 30.657,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.56331,
    "c": 0.11785,
    "h": 61.4
  },
  "luminance": 0.17119
}

Semantic roles & 50–950 ramp

primary

#A6631D

secondary

#598EC6

accent

#92ED3B

background

#FDF8F5

surface

#FAF0EA

border

#D3CBC6

text

#140C05

muted

#837D79

Preview Lab

Preview with #A6631D

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

Preview Lab → · Contrast checker → · Palette generator →