#B74B3F#B74B3F

#B74B3F is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.3% C 0.143 H 28.8°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#B74B3F
RGB	rgb(183, 75, 63)
HSL	hsl(6, 49%, 48%)
HSV	hsv(6, 66%, 72%)
CMYK	cmyk(0%, 59%, 65.6%, 28.2%)
CIE-LAB	lab(46.26, 42.96, 29.27)
CIE-LCH	lch(46.26, 51.99, 34.26°)
OKLab	oklab(55.31% 0.125 0.0689)
OKLCH	oklch(55.31% 0.143 28.8)
XYZ	xyz(22.9439, 15.4613, 6.4778)
Luminance	0.1546 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74B3F #3FABB7

analogous

#B73F6F #B74B3F #B7873F

triadic

#B74B3F #3FB74B #4B3FB7

tetradic

#B74B3F #6FB73F #3FABB7 #873FB7

square

#B74B3F #6FB73F #3FABB7 #873FB7

split-complementary

#B74B3F #3FB787 #3F6FB7

monochromatic

#5C2620 #89382F #B74B3F #CB7268 #DB9D96

Accessibility & contrast

On white

5.13

#B74B3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#B74B3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74B3F

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74B3F	#FFFFFF	#000000	##FFFFFF
##B74B3F	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675F3D

Deuteranopia (green-blind)

#82763C

Tritanopia (blue-blind)

#C83549

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b74b3f;
/* rgb */ color: rgb(183, 75, 63);
/* oklch */ color: oklch(55.3% 0.143 28.8);

Tailwind

colors: {
  custom: {
    50: '#d38174',
    500: '#b74b3f',
    950: '#000000',
  },
}

SCSS

$custom: #b74b3f;
$custom-light: #d38174;
$custom-dark: #000000;

JSON

{
  "hex": "#b74b3f",
  "rgb": {
    "r": 183,
    "g": 75,
    "b": 63
  },
  "hsl": {
    "h": 6,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55311,
    "c": 0.14275,
    "h": 28.8
  },
  "luminance": 0.15458
}

Semantic roles & 50–950 ramp

primary

#B74B3F

secondary

#8BC0C6

accent

#CBD84F

background

#FDF8F7

surface

#FBEFED

border

#D4CAC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B74B3F

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

Preview Lab → · Contrast checker → · Palette generator →