#AA3F1B#AA3F1B

#AA3F1B is a mid, vivid orange. Relative luminance 0.122; OKLCH L 51.2% C 0.148 H 37.9°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#AA3F1B
RGB	rgb(170, 63, 27)
HSL	hsl(15, 73%, 39%)
HSV	hsv(15, 84%, 67%)
CMYK	cmyk(0%, 62.9%, 84.1%, 33.3%)
CIE-LAB	lab(41.51, 42.19, 42.98)
CIE-LCH	lch(41.51, 60.23, 45.54°)
OKLab	oklab(51.17% 0.1172 0.0911)
OKLCH	oklch(51.17% 0.148 37.9)
XYZ	xyz(18.5550, 12.1829, 2.4112)
Luminance	0.1218 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3F1B #1B86AA

analogous

#AA1B3E #AA3F1B #AA861B

triadic

#AA3F1B #1BAA3F #3F1BAA

tetradic

#AA3F1B #3EAA1B #1B86AA #861BAA

square

#AA3F1B #3EAA1B #1B86AA #861BAA

split-complementary

#AA3F1B #1BAA86 #1B3EAA

monochromatic

#40180A #752B13 #AA3F1B #DC5426 #E57D5B

Accessibility & contrast

On white

6.11

#AA3F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#AA3F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3F1B

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3F1B	#FFFFFF	#000000	##FFFFFF
##AA3F1B	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5315

Deuteranopia (green-blind)

#786B16

Tritanopia (blue-blind)

#BB2238

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #aa3f1b;
/* rgb */ color: rgb(170, 63, 27);
/* oklch */ color: oklch(51.2% 0.148 37.9);

Tailwind

colors: {
  custom: {
    50: '#cc785b',
    500: '#aa3f1b',
    950: '#000000',
  },
}

SCSS

$custom: #aa3f1b;
$custom-light: #cc785b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3f1b",
  "rgb": {
    "r": 170,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 15.105,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.5117,
    "c": 0.14848,
    "h": 37.9
  },
  "luminance": 0.1218
}

Semantic roles & 50–950 ramp

primary

#AA3F1B

secondary

#58ACC9

accent

#C1EF39

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3F1B

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

Preview Lab → · Contrast checker → · Palette generator →