#B3603F#B3603F

#B3603F is a mid, moderate orange. Relative luminance 0.183; OKLCH L 57.9% C 0.117 H 41.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#B3603F
RGB	rgb(179, 96, 63)
HSL	hsl(17, 48%, 47%)
HSV	hsv(17, 65%, 70%)
CMYK	cmyk(0%, 46.4%, 64.8%, 29.8%)
CIE-LAB	lab(49.87, 30.66, 33.49)
CIE-LCH	lch(49.87, 45.40, 47.53°)
OKLab	oklab(57.94% 0.0874 0.0783)
OKLCH	oklch(57.94% 0.117 41.9)
XYZ	xyz(23.6724, 18.3109, 6.9894)
Luminance	0.1831 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3603F #3F92B3

analogous

#B33F58 #B3603F #B39A3F

triadic

#B3603F #3FB360 #603FB3

tetradic

#B3603F #58B33F #3F92B3 #9A3FB3

square

#B3603F #58B33F #3F92B3 #9A3FB3

split-complementary

#B3603F #3FB39A #3F58B3

monochromatic

#582F1F #86482F #B3603F #C98266 #D9A793

Accessibility & contrast

On white

4.50

#B3603F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#B3603F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3603F

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3603F	#FFFFFF	#000000	##000000
##B3603F	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#766C3C

Deuteranopia (green-blind)

#8A7E3E

Tritanopia (blue-blind)

#C35058

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b3603f;
/* rgb */ color: rgb(179, 96, 63);
/* oklch */ color: oklch(57.9% 0.117 41.9);

Tailwind

colors: {
  custom: {
    50: '#cf8e75',
    500: '#b3603f',
    950: '#000000',
  },
}

SCSS

$custom: #b3603f;
$custom-light: #cf8e75;
$custom-dark: #000000;

JSON

{
  "hex": "#b3603f",
  "rgb": {
    "r": 179,
    "g": 96,
    "b": 63
  },
  "hsl": {
    "h": 17.069,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57935,
    "c": 0.11736,
    "h": 41.9
  },
  "luminance": 0.18308
}

Semantic roles & 50–950 ramp

primary

#B3603F

secondary

#89B4C4

accent

#B1D850

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B3603F

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

Preview Lab → · Contrast checker → · Palette generator →