#B74B36#B74B36

#B74B36 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.2% C 0.145 H 32.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#B74B36
RGB	rgb(183, 75, 54)
HSL	hsl(10, 54%, 46%)
HSV	hsv(10, 70%, 72%)
CMYK	cmyk(0%, 59%, 70.5%, 28.2%)
CIE-LAB	lab(46.14, 42.45, 34.29)
CIE-LCH	lch(46.14, 54.57, 38.93°)
OKLab	oklab(55.18% 0.1217 0.0785)
OKLCH	oklch(55.18% 0.145 32.8)
XYZ	xyz(22.7126, 15.3688, 5.2598)
Luminance	0.1537 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B74B36 #36A2B7

analogous

#B73662 #B74B36 #B78C36

triadic

#B74B36 #36B74B #4B36B7

tetradic

#B74B36 #62B736 #36A2B7 #8C36B7

square

#B74B36 #62B736 #36A2B7 #8C36B7

split-complementary

#B74B36 #36B78C #3662B7

monochromatic

#58241A #883828 #B74B36 #CF6E5B #DD988B

Accessibility & contrast

On white

5.16

#B74B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#B74B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74B36

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B74B36	#FFFFFF	#000000	##FFFFFF
##B74B36	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)

#685F33

Deuteranopia (green-blind)

#837633

Tritanopia (blue-blind)

#C93446

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b74b36;
/* rgb */ color: rgb(183, 75, 54);
/* oklch */ color: oklch(55.2% 0.145 32.8);

Tailwind

colors: {
  custom: {
    50: '#d3816e',
    500: '#b74b36',
    950: '#000000',
  },
}

SCSS

$custom: #b74b36;
$custom-light: #d3816e;
$custom-dark: #000000;

JSON

{
  "hex": "#b74b36",
  "rgb": {
    "r": 183,
    "g": 75,
    "b": 54
  },
  "hsl": {
    "h": 9.767,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55177,
    "c": 0.14484,
    "h": 32.8
  },
  "luminance": 0.15366
}

Semantic roles & 50–950 ramp

primary

#B74B36

secondary

#82BCC7

accent

#C6DE4A

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B74B36

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

Preview Lab → · Contrast checker → · Palette generator →