#B1603C#B1603C

#B1603C is a mid, moderate orange. Relative luminance 0.180; OKLCH L 57.6% C 0.116 H 43.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#B1603C
RGB	rgb(177, 96, 60)
HSL	hsl(18, 49%, 46%)
HSV	hsv(18, 66%, 69%)
CMYK	cmyk(0%, 45.8%, 66.1%, 30.6%)
CIE-LAB	lab(49.55, 29.64, 34.69)
CIE-LCH	lch(49.55, 45.63, 49.49°)
OKLab	oklab(57.62% 0.084 0.0806)
OKLCH	oklch(57.62% 0.116 43.8)
XYZ	xyz(23.1319, 18.0416, 6.5383)
Luminance	0.1804 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1603C #3C8DB1

analogous

#B13C52 #B1603C #B19B3C

triadic

#B1603C #3CB160 #603CB1

tetradic

#B1603C #52B13C #3C8DB1 #9B3CB1

square

#B1603C #52B13C #3C8DB1 #9B3CB1

split-complementary

#B1603C #3CB19B #3C52B1

monochromatic

#562E1D #83472D #B1603C #C98161 #D9A58F

Accessibility & contrast

On white

4.56

#B1603C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#B1603C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B1603C

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1603C	#FFFFFF	#000000	##000000
##B1603C	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#766B38

Deuteranopia (green-blind)

#897D3B

Tritanopia (blue-blind)

#C15058

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #b1603c;
/* rgb */ color: rgb(177, 96, 60);
/* oklch */ color: oklch(57.6% 0.116 43.8);

Tailwind

colors: {
  custom: {
    50: '#cd8e73',
    500: '#b1603c',
    950: '#000000',
  },
}

SCSS

$custom: #b1603c;
$custom-light: #cd8e73;
$custom-dark: #000000;

JSON

{
  "hex": "#b1603c",
  "rgb": {
    "r": 177,
    "g": 96,
    "b": 60
  },
  "hsl": {
    "h": 18.462,
    "s": 49.367,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57615,
    "c": 0.11641,
    "h": 43.8
  },
  "luminance": 0.18039
}

Semantic roles & 50–950 ramp

primary

#B1603C

secondary

#85B0C4

accent

#AED94F

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#140C08

muted

#837D7B

Preview Lab

Preview with #B1603C

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

Preview Lab → · Contrast checker → · Palette generator →