#B74A37#B74A37

#B74A37 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.1% C 0.146 H 31.9°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#B74A37
RGB	rgb(183, 74, 55)
HSL	hsl(9, 54%, 47%)
HSV	hsv(9, 70%, 72%)
CMYK	cmyk(0%, 59.6%, 69.9%, 28.2%)
CIE-LAB	lab(45.97, 42.98, 33.53)
CIE-LCH	lch(45.97, 54.51, 37.96°)
OKLab	oklab(55.05% 0.1235 0.077)
OKLCH	oklch(55.05% 0.146 31.9)
XYZ	xyz(22.6691, 15.2437, 5.3623)
Luminance	0.1524 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74A37 #37A4B7

analogous

#B73764 #B74A37 #B78A37

triadic

#B74A37 #37B74A #4A37B7

tetradic

#B74A37 #64B737 #37A4B7 #8A37B7

square

#B74A37 #64B737 #37A4B7 #8A37B7

split-complementary

#B74A37 #37B78A #3764B7

monochromatic

#59241B #883729 #B74A37 #CE6E5D #DC988C

Accessibility & contrast

On white

5.19

#B74A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#B74A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74A37

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74A37	#FFFFFF	#000000	##FFFFFF
##B74A37	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E35

Deuteranopia (green-blind)

#827634

Tritanopia (blue-blind)

#C93246

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b74a37;
/* rgb */ color: rgb(183, 74, 55);
/* oklch */ color: oklch(55.1% 0.146 31.9);

Tailwind

colors: {
  custom: {
    50: '#d3806e',
    500: '#b74a37',
    950: '#000000',
  },
}

SCSS

$custom: #b74a37;
$custom-light: #d3806e;
$custom-dark: #000000;

JSON

{
  "hex": "#b74a37",
  "rgb": {
    "r": 183,
    "g": 74,
    "b": 55
  },
  "hsl": {
    "h": 8.906,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.55054,
    "c": 0.14559,
    "h": 31.9
  },
  "luminance": 0.15241
}

Semantic roles & 50–950 ramp

primary

#B74A37

secondary

#83BDC7

accent

#C7DD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B74A37

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

Preview Lab → · Contrast checker → · Palette generator →