#B54728#B54728

#B54728 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.1% C 0.150 H 36.3°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#B54728
RGB	rgb(181, 71, 40)
HSL	hsl(13, 64%, 43%)
HSV	hsv(13, 78%, 71%)
CMYK	cmyk(0%, 60.8%, 77.9%, 29%)
CIE-LAB	lab(44.92, 42.97, 40.49)
CIE-LCH	lch(44.92, 59.04, 43.30°)
OKLab	oklab(54.15% 0.1209 0.0889)
OKLCH	oklch(54.15% 0.15 36.3)
XYZ	xyz(21.6946, 14.4864, 3.6609)
Luminance	0.1448 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54728 #2896B5

analogous

#B52850 #B54728 #B58D28

triadic

#B54728 #28B547 #4728B5

tetradic

#B54728 #50B528 #2896B5 #8D28B5

square

#B54728 #50B528 #2896B5 #8D28B5

split-complementary

#B54728 #28B58D #2850B5

monochromatic

#512012 #83331D #B54728 #D66444 #E18E77

Accessibility & contrast

On white

5.39

#B54728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#B54728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54728

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54728	#FFFFFF	#000000	##FFFFFF
##B54728	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665B24

Deuteranopia (green-blind)

#817324

Tritanopia (blue-blind)

#C72C41

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b54728;
/* rgb */ color: rgb(181, 71, 40);
/* oklch */ color: oklch(54.1% 0.150 36.3);

Tailwind

colors: {
  custom: {
    50: '#d37e64',
    500: '#b54728',
    950: '#000000',
  },
}

SCSS

$custom: #b54728;
$custom-light: #d37e64;
$custom-dark: #000000;

JSON

{
  "hex": "#b54728",
  "rgb": {
    "r": 181,
    "g": 71,
    "b": 40
  },
  "hsl": {
    "h": 13.191,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.54147,
    "c": 0.15001,
    "h": 36.3
  },
  "luminance": 0.14483
}

Semantic roles & 50–950 ramp

primary

#B54728

secondary

#70B5C8

accent

#C2E741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #B54728

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

Preview Lab → · Contrast checker → · Palette generator →