#B36021

A color in the Orange, Brown family

#b36021 is a color in the Orange, Brown family: RGB(179, 96, 33), HSL(26°, 69%, 42%), CMYK(0%, 46%, 82%, 30%). Closest named color: sienna. Contrast is 4.55:1 on white and 4.61:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#b36021
RGBrgb(179 96 33)
RGB (legacy)rgb(179, 96, 33)
RGB %rgb(70% 38% 13%)
HSLhsl(26 69% 42%)
HSV / HSBhsv(26, 82%, 70%)
HWBhwb(26 13% 30%)
CMYKcmyk(0%, 46%, 82%, 30%)
CIELAB (D50)lab(50.11 31.22 48.85)
LCHlch(50.11 57.97 57.41)
OKLaboklab(0.5761 0.078 0.1038)
OKLCHoklch(0.5761 0.1298 53.08)
Decimal11755553

Properties

Color ToneOrange, Brown
Closest named colorsienna ΔE 5.5
Closest web-safe color#cc6633
Hue26°
Saturation (HSL / HSV)69% / 82%
Lightness (HSL)42%
Brightness or Value (HSV)70%
Luminance (Rec.601 / Rec.709)45% / 43%
Relative luminance (WCAG)0.1806
Red / Green / Blue179 / 96 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
4.55:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
4.61:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 71.2 / -30.5 · As background with white / black text: Lc -76.6 / 32.9

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: #b36021;
  --color-brand-oklch: oklch(57.61% 0.1298 53.08);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(179 96 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#b36021] text-[#b36021] border-[#b36021]">