#B7553B#B7553B

#B7553B is a mid, vivid red. Relative luminance 0.169; OKLCH L 56.7% C 0.134 H 35.9°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#B7553B
RGB	rgb(183, 85, 59)
HSL	hsl(13, 51%, 47%)
HSV	hsv(13, 68%, 72%)
CMYK	cmyk(0%, 53.6%, 67.8%, 28.2%)
CIE-LAB	lab(48.11, 37.78, 33.78)
CIE-LCH	lch(48.11, 50.68, 41.81°)
OKLab	oklab(56.7% 0.1082 0.0783)
OKLCH	oklch(56.7% 0.134 35.9)
XYZ	xyz(23.5685, 16.8830, 6.1544)
Luminance	0.1688 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7553B #3B9DB7

analogous

#B73B5F #B7553B #B7933B

triadic

#B7553B #3BB755 #553BB7

tetradic

#B7553B #5FB73B #3B9DB7 #933BB7

square

#B7553B #5FB73B #3B9DB7 #933BB7

split-complementary

#B7553B #3BB793 #3B5FB7

monochromatic

#5A2A1D #89402C #B7553B #CD7963 #DCA191

Accessibility & contrast

On white

4.80

#B7553B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#B7553B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7553B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7553B	#FFFFFF	#000000	##FFFFFF
##B7553B	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6538

Deuteranopia (green-blind)

#877A39

Tritanopia (blue-blind)

#C8424F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b7553b;
/* rgb */ color: rgb(183, 85, 59);
/* oklch */ color: oklch(56.7% 0.134 35.9);

Tailwind

colors: {
  custom: {
    50: '#d38772',
    500: '#b7553b',
    950: '#000000',
  },
}

SCSS

$custom: #b7553b;
$custom-light: #d38772;
$custom-dark: #000000;

JSON

{
  "hex": "#b7553b",
  "rgb": {
    "r": 183,
    "g": 85,
    "b": 59
  },
  "hsl": {
    "h": 12.581,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56697,
    "c": 0.13351,
    "h": 35.9
  },
  "luminance": 0.1688
}

Semantic roles & 50–950 ramp

primary

#B7553B

secondary

#87B9C6

accent

#BDDB4D

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B7553B

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

Preview Lab → · Contrast checker → · Palette generator →