#B1643A#B1643A

#B1643A is a mid, moderate orange. Relative luminance 0.188; OKLCH L 58.3% C 0.114 H 47.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#B1643A
RGB	rgb(177, 100, 58)
HSL	hsl(21, 51%, 46%)
HSV	hsv(21, 67%, 69%)
CMYK	cmyk(0%, 43.5%, 67.2%, 30.6%)
CIE-LAB	lab(50.42, 27.34, 36.79)
CIE-LCH	lch(50.42, 45.84, 53.38°)
OKLab	oklab(58.28% 0.0766 0.0849)
OKLCH	oklch(58.28% 0.114 47.9)
XYZ	xyz(23.4543, 18.7694, 6.3899)
Luminance	0.1877 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1643A #3A87B1

analogous

#B13A4C #B1643A #B19F3A

triadic

#B1643A #3AB164 #643AB1

tetradic

#B1643A #4CB13A #3A87B1 #9F3AB1

square

#B1643A #4CB13A #3A87B1 #9F3AB1

split-complementary

#B1643A #3AB19F #3A4CB1

monochromatic

#55301C #834A2B #B1643A #CA845E #D9A78C

Accessibility & contrast

On white

4.42

#B1643A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#B1643A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B1643A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1643A	#FFFFFF	#000000	##000000
##B1643A	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#796E36

Deuteranopia (green-blind)

#8C7F39

Tritanopia (blue-blind)

#C1555A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #b1643a;
/* rgb */ color: rgb(177, 100, 58);
/* oklch */ color: oklch(58.3% 0.114 47.9);

Tailwind

colors: {
  custom: {
    50: '#cd9171',
    500: '#b1643a',
    950: '#000000',
  },
}

SCSS

$custom: #b1643a;
$custom-light: #cd9171;
$custom-dark: #000000;

JSON

{
  "hex": "#b1643a",
  "rgb": {
    "r": 177,
    "g": 100,
    "b": 58
  },
  "hsl": {
    "h": 21.176,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58275,
    "c": 0.11435,
    "h": 47.9
  },
  "luminance": 0.18767
}

Semantic roles & 50–950 ramp

primary

#B1643A

secondary

#83ADC4

accent

#A9DA4E

background

#FDF8F6

surface

#FAF0EC

border

#D3CBC7

text

#140D08

muted

#837D7B

Preview Lab

Preview with #B1643A

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

Preview Lab → · Contrast checker → · Palette generator →