#B74B3A#B74B3A

#B74B3A is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.2% C 0.144 H 31.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#B74B3A
RGB	rgb(183, 75, 58)
HSL	hsl(8, 52%, 47%)
HSV	hsv(8, 68%, 72%)
CMYK	cmyk(0%, 59%, 68.3%, 28.2%)
CIE-LAB	lab(46.19, 42.67, 32.08)
CIE-LCH	lch(46.19, 53.38, 36.93°)
OKLab	oklab(55.23% 0.1232 0.0744)
OKLCH	oklch(55.23% 0.144 31.1)
XYZ	xyz(22.8105, 15.4079, 5.7750)
Luminance	0.1540 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74B3A #3AA6B7

analogous

#B73A68 #B74B3A #B78A3A

triadic

#B74B3A #3AB74B #4B3AB7

tetradic

#B74B3A #68B73A #3AA6B7 #8A3AB7

square

#B74B3A #68B73A #3AA6B7 #8A3AB7

split-complementary

#B74B3A #3AB78A #3A68B7

monochromatic

#5A251D #89382B #B74B3A #CD7061 #DC9A90

Accessibility & contrast

On white

5.15

#B74B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#B74B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74B3A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74B3A	#FFFFFF	#000000	##FFFFFF
##B74B3A	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F38

Deuteranopia (green-blind)

#827637

Tritanopia (blue-blind)

#C93447

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b74b3a;
/* rgb */ color: rgb(183, 75, 58);
/* oklch */ color: oklch(55.2% 0.144 31.1);

Tailwind

colors: {
  custom: {
    50: '#d38171',
    500: '#b74b3a',
    950: '#000000',
  },
}

SCSS

$custom: #b74b3a;
$custom-light: #d38171;
$custom-dark: #000000;

JSON

{
  "hex": "#b74b3a",
  "rgb": {
    "r": 183,
    "g": 75,
    "b": 58
  },
  "hsl": {
    "h": 8.16,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55234,
    "c": 0.14386,
    "h": 31.1
  },
  "luminance": 0.15405
}

Semantic roles & 50–950 ramp

primary

#B74B3A

secondary

#86BEC7

accent

#C8DB4C

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B74B3A

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

Preview Lab → · Contrast checker → · Palette generator →