#B04136#B04136

#B04136 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.7% C 0.147 H 28.7°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B04136
RGB	rgb(176, 65, 54)
HSL	hsl(5, 53%, 45%)
HSV	hsv(5, 69%, 69%)
CMYK	cmyk(0%, 63.1%, 69.3%, 31%)
CIE-LAB	lab(43.18, 44.58, 30.54)
CIE-LCH	lch(43.18, 54.03, 34.41°)
OKLab	oklab(52.72% 0.1291 0.0706)
OKLCH	oklch(52.72% 0.147 28.7)
XYZ	xyz(20.4627, 13.2799, 4.9751)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04136 #36A5B0

analogous

#B03668 #B04136 #B07E36

triadic

#B04136 #36B041 #4136B0

tetradic

#B04136 #68B036 #36A5B0 #7E36B0

square

#B04136 #68B036 #36A5B0 #7E36B0

split-complementary

#B04136 #36B07E #3668B0

monochromatic

#521E19 #813028 #B04136 #CC6258 #DA8E86

Accessibility & contrast

On white

5.74

#B04136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B04136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04136

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04136	#FFFFFF	#000000	##FFFFFF
##B04136	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5734

Deuteranopia (green-blind)

#7B6F33

Tritanopia (blue-blind)

#C1273F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b04136;
/* rgb */ color: rgb(176, 65, 54);
/* oklch */ color: oklch(52.7% 0.147 28.7);

Tailwind

colors: {
  custom: {
    50: '#cf7b6d',
    500: '#b04136',
    950: '#000000',
  },
}

SCSS

$custom: #b04136;
$custom-light: #cf7b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b04136",
  "rgb": {
    "r": 176,
    "g": 65,
    "b": 54
  },
  "hsl": {
    "h": 5.41,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52723,
    "c": 0.14718,
    "h": 28.7
  },
  "luminance": 0.13277
}

Semantic roles & 50–950 ramp

primary

#B04136

secondary

#7EBEC4

accent

#CFDC4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04136

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

Preview Lab → · Contrast checker → · Palette generator →