#B74728#B74728

#B74728 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.5% C 0.152 H 36.1°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#B74728
RGB	rgb(183, 71, 40)
HSL	hsl(13, 64%, 44%)
HSV	hsv(13, 78%, 72%)
CMYK	cmyk(0%, 61.2%, 78.1%, 28.2%)
CIE-LAB	lab(45.26, 43.71, 40.94)
CIE-LCH	lch(45.26, 59.89, 43.13°)
OKLab	oklab(54.47% 0.1229 0.0897)
OKLCH	oklch(54.47% 0.152 36.1)
XYZ	xyz(22.1671, 14.7301, 3.6830)
Luminance	0.1473 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74728 #2898B7

analogous

#B72850 #B74728 #B78E28

triadic

#B74728 #28B747 #4728B7

tetradic

#B74728 #50B728 #2898B7 #8E28B7

square

#B74728 #50B728 #2898B7 #8E28B7

split-complementary

#B74728 #28B78E #2850B7

monochromatic

#532012 #85341D #B74728 #D66546 #E18F78

Accessibility & contrast

On white

5.32

#B74728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#B74728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74728

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74728	#FFFFFF	#000000	##FFFFFF
##B74728	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C24

Deuteranopia (green-blind)

#827424

Tritanopia (blue-blind)

#C92B41

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #b74728;
/* rgb */ color: rgb(183, 71, 40);
/* oklch */ color: oklch(54.5% 0.152 36.1);

Tailwind

colors: {
  custom: {
    50: '#d47e64',
    500: '#b74728',
    950: '#000000',
  },
}

SCSS

$custom: #b74728;
$custom-light: #d47e64;
$custom-dark: #000000;

JSON

{
  "hex": "#b74728",
  "rgb": {
    "r": 183,
    "g": 71,
    "b": 40
  },
  "hsl": {
    "h": 13.007,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.54468,
    "c": 0.15219,
    "h": 36.1
  },
  "luminance": 0.14727
}

Semantic roles & 50–950 ramp

primary

#B74728

secondary

#72B6C9

accent

#C3E741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #B74728

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

Preview Lab → · Contrast checker → · Palette generator →