#B3633F#B3633F

#B3633F is a mid, moderate orange. Relative luminance 0.189; OKLCH L 58.4% C 0.115 H 44.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#B3633F
RGB	rgb(179, 99, 63)
HSL	hsl(19, 48%, 47%)
HSV	hsv(19, 65%, 70%)
CMYK	cmyk(0%, 44.7%, 64.8%, 29.8%)
CIE-LAB	lab(50.53, 29.03, 34.28)
CIE-LCH	lch(50.53, 44.92, 49.74°)
OKLab	oklab(58.44% 0.0824 0.0801)
OKLCH	oklch(58.44% 0.115 44.2)
XYZ	xyz(23.9514, 18.8688, 7.0824)
Luminance	0.1887 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3633F #3F8FB3

analogous

#B33F55 #B3633F #B39D3F

triadic

#B3633F #3FB363 #633FB3

tetradic

#B3633F #55B33F #3F8FB3 #9D3FB3

square

#B3633F #55B33F #3F8FB3 #9D3FB3

split-complementary

#B3633F #3FB39D #3F55B3

monochromatic

#58311F #864A2F #B3633F #C98566 #D9A993

Accessibility & contrast

On white

4.40

#B3633F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#B3633F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B3633F

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3633F	#FFFFFF	#000000	##000000
##B3633F	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#796E3C

Deuteranopia (green-blind)

#8C7F3E

Tritanopia (blue-blind)

#C3545B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #b3633f;
/* rgb */ color: rgb(179, 99, 63);
/* oklch */ color: oklch(58.4% 0.115 44.2);

Tailwind

colors: {
  custom: {
    50: '#cf9075',
    500: '#b3633f',
    950: '#000000',
  },
}

SCSS

$custom: #b3633f;
$custom-light: #cf9075;
$custom-dark: #000000;

JSON

{
  "hex": "#b3633f",
  "rgb": {
    "r": 179,
    "g": 99,
    "b": 63
  },
  "hsl": {
    "h": 18.621,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.58443,
    "c": 0.11491,
    "h": 44.2
  },
  "luminance": 0.18866
}

Semantic roles & 50–950 ramp

primary

#B3633F

secondary

#89B2C4

accent

#AED850

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B3633F

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

Preview Lab → · Contrast checker → · Palette generator →