#B04128#B04128

#B04128 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.5% C 0.150 H 34.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B04128
RGB	rgb(176, 65, 40)
HSL	hsl(11, 63%, 42%)
HSV	hsv(11, 77%, 69%)
CMYK	cmyk(0%, 63.1%, 77.3%, 31%)
CIE-LAB	lab(43.01, 43.92, 38.24)
CIE-LCH	lch(43.01, 58.23, 41.05°)
OKLab	oklab(52.54% 0.1243 0.0844)
OKLCH	oklch(52.54% 0.15 34.2)
XYZ	xyz(20.1800, 13.1668, 3.4859)
Luminance	0.1316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04128 #2897B0

analogous

#B02853 #B04128 #B08528

triadic

#B04128 #28B041 #4128B0

tetradic

#B04128 #53B028 #2897B0 #8528B0

square

#B04128 #53B028 #2897B0 #8528B0

split-complementary

#B04128 #28B085 #2853B0

monochromatic

#4C1C11 #7E2F1D #B04128 #D45C41 #DF8773

Accessibility & contrast

On white

5.78

#B04128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B04128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04128

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04128	#FFFFFF	#000000	##FFFFFF
##B04128	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#C2253C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b04128;
/* rgb */ color: rgb(176, 65, 40);
/* oklch */ color: oklch(52.5% 0.150 34.2);

Tailwind

colors: {
  custom: {
    50: '#cf7a63',
    500: '#b04128',
    950: '#000000',
  },
}

SCSS

$custom: #b04128;
$custom-light: #cf7a63;
$custom-dark: #000000;

JSON

{
  "hex": "#b04128",
  "rgb": {
    "r": 176,
    "g": 65,
    "b": 40
  },
  "hsl": {
    "h": 11.029,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52542,
    "c": 0.15021,
    "h": 34.2
  },
  "luminance": 0.13164
}

Semantic roles & 50–950 ramp

primary

#B04128

secondary

#6DB6C6

accent

#C8E642

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A05

muted

#837C7A

Preview Lab

Preview with #B04128

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

Preview Lab → · Contrast checker → · Palette generator →