#B74137#B74137

#B74137 is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.155 H 28.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#B74137
RGB	rgb(183, 65, 55)
HSL	hsl(5, 54%, 47%)
HSV	hsv(5, 70%, 72%)
CMYK	cmyk(0%, 64.5%, 69.9%, 28.2%)
CIE-LAB	lab(44.41, 47.10, 31.71)
CIE-LCH	lch(44.41, 56.78, 33.95°)
OKLab	oklab(53.89% 0.1364 0.0731)
OKLCH	oklch(53.89% 0.155 28.2)
XYZ	xyz(22.1106, 14.1268, 5.1762)
Luminance	0.1412 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74137 #37ADB7

analogous

#B7376D #B74137 #B78137

triadic

#B74137 #37B741 #4137B7

tetradic

#B74137 #6DB737 #37ADB7 #8137B7

square

#B74137 #6DB737 #37ADB7 #8137B7

split-complementary

#B74137 #37B781 #376DB7

monochromatic

#59201B #883029 #B74137 #CE665D #DC928C

Accessibility & contrast

On white

5.49

#B74137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B74137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74137

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74137	#FFFFFF	#000000	##FFFFFF
##B74137	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#7F7333

Tritanopia (blue-blind)

#C9243F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b74137;
/* rgb */ color: rgb(183, 65, 55);
/* oklch */ color: oklch(53.9% 0.155 28.2);

Tailwind

colors: {
  custom: {
    50: '#d47b6e',
    500: '#b74137',
    950: '#000000',
  },
}

SCSS

$custom: #b74137;
$custom-light: #d47b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b74137",
  "rgb": {
    "r": 183,
    "g": 65,
    "b": 55
  },
  "hsl": {
    "h": 4.687,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53885,
    "c": 0.15477,
    "h": 28.2
  },
  "luminance": 0.14124
}

Semantic roles & 50–950 ramp

primary

#B74137

secondary

#83C2C7

accent

#D2DD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B74137

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

Preview Lab → · Contrast checker → · Palette generator →