#B45131#B45131

#B45131 is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.5% C 0.137 H 38.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#B45131
RGB	rgb(180, 81, 49)
HSL	hsl(15, 57%, 45%)
HSV	hsv(15, 73%, 71%)
CMYK	cmyk(0%, 55%, 72.8%, 29.4%)
CIE-LAB	lab(46.73, 38.10, 37.59)
CIE-LCH	lch(46.73, 53.52, 44.61°)
OKLab	oklab(55.51% 0.1076 0.0849)
OKLCH	oklch(55.51% 0.137 38.3)
XYZ	xyz(22.3214, 15.8128, 4.7819)
Luminance	0.1581 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45131 #3194B4

analogous

#B43153 #B45131 #B49231

triadic

#B45131 #31B451 #5131B4

tetradic

#B45131 #53B431 #3194B4 #9231B4

square

#B45131 #53B431 #3194B4 #9231B4

split-complementary

#B45131 #31B492 #3153B4

monochromatic

#542617 #843B24 #B45131 #D07152 #DD9882

Accessibility & contrast

On white

5.05

#B45131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#B45131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45131

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45131	#FFFFFF	#000000	##FFFFFF
##B45131	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C612D

Deuteranopia (green-blind)

#84772F

Tritanopia (blue-blind)

#C53C4A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b45131;
/* rgb */ color: rgb(180, 81, 49);
/* oklch */ color: oklch(55.5% 0.137 38.3);

Tailwind

colors: {
  custom: {
    50: '#d1846a',
    500: '#b45131',
    950: '#000000',
  },
}

SCSS

$custom: #b45131;
$custom-light: #d1846a;
$custom-dark: #000000;

JSON

{
  "hex": "#b45131",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 49
  },
  "hsl": {
    "h": 14.656,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55513,
    "c": 0.13705,
    "h": 38.3
  },
  "luminance": 0.1581
}

Semantic roles & 50–950 ramp

primary

#B45131

secondary

#7BB4C6

accent

#BBE047

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B45131

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

Preview Lab → · Contrast checker → · Palette generator →