#B74B35#B74B35

#B74B35 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.2% C 0.145 H 33.2°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#B74B35
RGB	rgb(183, 75, 53)
HSL	hsl(10, 55%, 46%)
HSV	hsv(10, 71%, 72%)
CMYK	cmyk(0%, 59%, 71%, 28.2%)
CIE-LAB	lab(46.12, 42.40, 34.84)
CIE-LCH	lch(46.12, 54.88, 39.41°)
OKLab	oklab(55.16% 0.1214 0.0795)
OKLCH	oklch(55.16% 0.145 33.2)
XYZ	xyz(22.6894, 15.3595, 5.1374)
Luminance	0.1536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74B35 #35A1B7

analogous

#B73560 #B74B35 #B78C35

triadic

#B74B35 #35B74B #4B35B7

tetradic

#B74B35 #60B735 #35A1B7 #8C35B7

square

#B74B35 #60B735 #35A1B7 #8C35B7

split-complementary

#B74B35 #35B78C #3560B7

monochromatic

#58241A #883827 #B74B35 #CF6E5A #DD9889

Accessibility & contrast

On white

5.16

#B74B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#B74B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74B35

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74B35	#FFFFFF	#000000	##FFFFFF
##B74B35	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E32

Deuteranopia (green-blind)

#837632

Tritanopia (blue-blind)

#C93346

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b74b35;
/* rgb */ color: rgb(183, 75, 53);
/* oklch */ color: oklch(55.2% 0.145 33.2);

Tailwind

colors: {
  custom: {
    50: '#d3816d',
    500: '#b74b35',
    950: '#000000',
  },
}

SCSS

$custom: #b74b35;
$custom-light: #d3816d;
$custom-dark: #000000;

JSON

{
  "hex": "#b74b35",
  "rgb": {
    "r": 183,
    "g": 75,
    "b": 53
  },
  "hsl": {
    "h": 10.154,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.14509,
    "h": 33.2
  },
  "luminance": 0.15356
}

Semantic roles & 50–950 ramp

primary

#B74B35

secondary

#81BBC7

accent

#C5DE49

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B74B35

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

Preview Lab → · Contrast checker → · Palette generator →