#B74E37#B74E37

#B74E37 is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.6% C 0.142 H 33.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#B74E37
RGB	rgb(183, 78, 55)
HSL	hsl(11, 54%, 47%)
HSV	hsv(11, 70%, 72%)
CMYK	cmyk(0%, 57.4%, 69.9%, 28.2%)
CIE-LAB	lab(46.70, 41.05, 34.38)
CIE-LCH	lch(46.70, 53.55, 39.95°)
OKLab	oklab(55.61% 0.1176 0.0789)
OKLCH	oklch(55.61% 0.142 33.9)
XYZ	xyz(22.9447, 15.7949, 5.4542)
Luminance	0.1579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74E37 #37A0B7

analogous

#B73760 #B74E37 #B78E37

triadic

#B74E37 #37B74E #4E37B7

tetradic

#B74E37 #60B737 #37A0B7 #8E37B7

square

#B74E37 #60B737 #37A0B7 #8E37B7

split-complementary

#B74E37 #37B78E #3760B7

monochromatic

#59261B #883A29 #B74E37 #CE715D #DC9A8C

Accessibility & contrast

On white

5.05

#B74E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#B74E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74E37

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74E37	#FFFFFF	#000000	##FFFFFF
##B74E37	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)

#6A6034

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#C93849

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b74e37;
/* rgb */ color: rgb(183, 78, 55);
/* oklch */ color: oklch(55.6% 0.142 33.9);

Tailwind

colors: {
  custom: {
    50: '#d3836e',
    500: '#b74e37',
    950: '#000000',
  },
}

SCSS

$custom: #b74e37;
$custom-light: #d3836e;
$custom-dark: #000000;

JSON

{
  "hex": "#b74e37",
  "rgb": {
    "r": 183,
    "g": 78,
    "b": 55
  },
  "hsl": {
    "h": 10.781,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55612,
    "c": 0.14158,
    "h": 33.9
  },
  "luminance": 0.15792
}

Semantic roles & 50–950 ramp

primary

#B74E37

secondary

#83BBC7

accent

#C3DD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B74E37

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

Preview Lab → · Contrast checker → · Palette generator →