#B1603A#B1603A

#B1603A is a mid, moderate orange. Relative luminance 0.180; OKLCH L 57.6% C 0.117 H 44.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#B1603A
RGB	rgb(177, 96, 58)
HSL	hsl(19, 51%, 46%)
HSV	hsv(19, 67%, 69%)
CMYK	cmyk(0%, 45.8%, 67.2%, 30.6%)
CIE-LAB	lab(49.52, 29.52, 35.76)
CIE-LCH	lch(49.52, 46.37, 50.46°)
OKLab	oklab(57.59% 0.0833 0.0826)
OKLCH	oklch(57.59% 0.117 44.8)
XYZ	xyz(23.0800, 18.0209, 6.2651)
Luminance	0.1802 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1603A #3A8BB1

analogous

#B13A4F #B1603A #B19B3A

triadic

#B1603A #3AB160 #603AB1

tetradic

#B1603A #4FB13A #3A8BB1 #9B3AB1

square

#B1603A #4FB13A #3A8BB1 #9B3AB1

split-complementary

#B1603A #3AB19B #3A4FB1

monochromatic

#552E1C #83472B #B1603A #CA815E #D9A58C

Accessibility & contrast

On white

4.56

#B1603A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#B1603A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B1603A

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1603A	#FFFFFF	#000000	##000000
##B1603A	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#766B36

Deuteranopia (green-blind)

#8A7D39

Tritanopia (blue-blind)

#C15057

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #b1603a;
/* rgb */ color: rgb(177, 96, 58);
/* oklch */ color: oklch(57.6% 0.117 44.8);

Tailwind

colors: {
  custom: {
    50: '#ce8e71',
    500: '#b1603a',
    950: '#000000',
  },
}

SCSS

$custom: #b1603a;
$custom-light: #ce8e71;
$custom-dark: #000000;

JSON

{
  "hex": "#b1603a",
  "rgb": {
    "r": 177,
    "g": 96,
    "b": 58
  },
  "hsl": {
    "h": 19.16,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.57588,
    "c": 0.1173,
    "h": 44.8
  },
  "luminance": 0.18018
}

Semantic roles & 50–950 ramp

primary

#B1603A

secondary

#83AFC4

accent

#ADDA4E

background

#FDF8F6

surface

#FAF0EC

border

#D3CBC7

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B1603A

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

Preview Lab → · Contrast checker → · Palette generator →