#B1533A#B1533A

#B1533A is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.5% C 0.129 H 35.9°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#B1533A
RGB	rgb(177, 83, 58)
HSL	hsl(13, 51%, 46%)
HSV	hsv(13, 67%, 69%)
CMYK	cmyk(0%, 53.1%, 67.2%, 30.6%)
CIE-LAB	lab(46.77, 36.41, 32.53)
CIE-LCH	lch(46.77, 48.82, 41.78°)
OKLab	oklab(55.48% 0.1044 0.0756)
OKLCH	oklch(55.48% 0.129 35.9)
XYZ	xyz(21.9904, 15.8418, 5.9019)
Luminance	0.1584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1533A #3A98B1

analogous

#B13A5C #B1533A #B18E3A

triadic

#B1533A #3AB153 #533AB1

tetradic

#B1533A #5CB13A #3A98B1 #8E3AB1

square

#B1533A #5CB13A #3A98B1 #8E3AB1

split-complementary

#B1533A #3AB18E #3A5CB1

monochromatic

#55281C #833D2B #B1533A #CA755E #D99C8C

Accessibility & contrast

On white

5.04

#B1533A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#B1533A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1533A

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1533A	#FFFFFF	#000000	##FFFFFF
##B1533A	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6237

Deuteranopia (green-blind)

#837738

Tritanopia (blue-blind)

#C2414D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b1533a;
/* rgb */ color: rgb(177, 83, 58);
/* oklch */ color: oklch(55.5% 0.129 35.9);

Tailwind

colors: {
  custom: {
    50: '#ce8671',
    500: '#b1533a',
    950: '#000000',
  },
}

SCSS

$custom: #b1533a;
$custom-light: #ce8671;
$custom-dark: #000000;

JSON

{
  "hex": "#b1533a",
  "rgb": {
    "r": 177,
    "g": 83,
    "b": 58
  },
  "hsl": {
    "h": 12.605,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55484,
    "c": 0.12887,
    "h": 35.9
  },
  "luminance": 0.15839
}

Semantic roles & 50–950 ramp

primary

#B1533A

secondary

#83B6C4

accent

#BDDA4E

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B1533A

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

Preview Lab → · Contrast checker → · Palette generator →