#B74028#B74028

#B74028 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.6% C 0.159 H 33.3°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B74028
RGB	rgb(183, 64, 40)
HSL	hsl(10, 64%, 44%)
HSV	hsv(10, 78%, 72%)
CMYK	cmyk(0%, 65%, 78.1%, 28.2%)
CIE-LAB	lab(44.08, 46.87, 39.73)
CIE-LCH	lch(44.08, 61.44, 40.28°)
OKLab	oklab(53.57% 0.1327 0.0871)
OKLCH	oklch(53.57% 0.159 33.3)
XYZ	xyz(21.7473, 13.8904, 3.5431)
Luminance	0.1389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74028 #289FB7

analogous

#B72857 #B74028 #B78728

triadic

#B74028 #28B740 #4028B7

tetradic

#B74028 #57B728 #289FB7 #8728B7

square

#B74028 #57B728 #289FB7 #8728B7

split-complementary

#B74028 #28B787 #2857B7

monochromatic

#531D12 #852E1D #B74028 #D65E46 #E18A78

Accessibility & contrast

On white

5.56

#B74028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B74028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74028

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74028	#FFFFFF	#000000	##FFFFFF
##B74028	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625824

Deuteranopia (green-blind)

#7F7223

Tritanopia (blue-blind)

#C91F3B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b74028;
/* rgb */ color: rgb(183, 64, 40);
/* oklch */ color: oklch(53.6% 0.159 33.3);

Tailwind

colors: {
  custom: {
    50: '#d57b64',
    500: '#b74028',
    950: '#000000',
  },
}

SCSS

$custom: #b74028;
$custom-light: #d57b64;
$custom-dark: #000000;

JSON

{
  "hex": "#b74028",
  "rgb": {
    "r": 183,
    "g": 64,
    "b": 40
  },
  "hsl": {
    "h": 10.07,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53574,
    "c": 0.15873,
    "h": 33.3
  },
  "luminance": 0.13887
}

Semantic roles & 50–950 ramp

primary

#B74028

secondary

#72BBC9

accent

#CBE741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #B74028

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

Preview Lab → · Contrast checker → · Palette generator →