#B04138#B04138

#B04138 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.147 H 27.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B04138
RGB	rgb(176, 65, 56)
HSL	hsl(5, 52%, 45%)
HSV	hsv(5, 68%, 69%)
CMYK	cmyk(0%, 63.1%, 68.2%, 31%)
CIE-LAB	lab(43.21, 44.69, 29.40)
CIE-LCH	lch(43.21, 53.49, 33.34°)
OKLab	oklab(52.75% 0.1299 0.0684)
OKLCH	oklch(52.75% 0.147 27.8)
XYZ	xyz(20.5107, 13.2990, 5.2275)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04138 #38A7B0

analogous

#B0386B #B04138 #B07D38

triadic

#B04138 #38B041 #4138B0

tetradic

#B04138 #6BB038 #38A7B0 #7D38B0

square

#B04138 #6BB038 #38A7B0 #7D38B0

split-complementary

#B04138 #38B07D #386BB0

monochromatic

#531F1A #823029 #B04138 #CB635B #D98F89

Accessibility & contrast

On white

5.74

#B04138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B04138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04138

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04138	#FFFFFF	#000000	##FFFFFF
##B04138	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)

#5F5736

Deuteranopia (green-blind)

#7A6F35

Tritanopia (blue-blind)

#C12840

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b04138;
/* rgb */ color: rgb(176, 65, 56);
/* oklch */ color: oklch(52.8% 0.147 27.8);

Tailwind

colors: {
  custom: {
    50: '#ce7b6f',
    500: '#b04138',
    950: '#000000',
  },
}

SCSS

$custom: #b04138;
$custom-light: #ce7b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b04138",
  "rgb": {
    "r": 176,
    "g": 65,
    "b": 56
  },
  "hsl": {
    "h": 4.5,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52754,
    "c": 0.1468,
    "h": 27.8
  },
  "luminance": 0.13296
}

Semantic roles & 50–950 ramp

primary

#B04138

secondary

#80BFC4

accent

#D0DB4D

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B04138

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

Preview Lab → · Contrast checker → · Palette generator →