#B04021

A color in the Red, Pink family

#b04021 is a color in the Red, Pink family: RGB(176, 64, 33), HSL(13°, 68%, 41%), CMYK(0%, 64%, 81%, 31%). Closest named color: sienna. Contrast is 5.83:1 on white and 3.6:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#b04021
RGBrgb(176 64 33)
RGB (legacy)rgb(176, 64, 33)
RGB %rgb(69% 25% 13%)
HSLhsl(13 68% 41%)
HSV / HSBhsv(13, 81%, 69%)
HWBhwb(13 13% 31%)
CMYKcmyk(0%, 64%, 81%, 31%)
CIELAB (D50)lab(43.4 45.38 42.77)
LCHlch(43.4 62.36 43.31)
OKLaboklab(0.5234 0.1236 0.0897)
OKLCHoklch(0.5234 0.1527 35.96)
Decimal11550753

Properties

Color ToneRed, Pink
Closest named colorsienna ΔE 4.3
Closest web-safe color#993333
Hue13°
Saturation (HSL / HSV)68% / 81%
Lightness (HSL)41%
Brightness or Value (HSV)69%
Luminance (Rec.601 / Rec.709)37% / 34%
Relative luminance (WCAG)0.1301
Red / Green / Blue176 / 64 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
5.83:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
3.60:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 78.3 / -23.5 · As background with white / black text: Lc -83.5 / 25.8

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #b04021;
  --color-brand-oklch: oklch(52.34% 0.1527 35.96);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(176 64 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#b04021] text-[#b04021] border-[#b04021]">