#673D21

A color in the Orange, Brown family

#673d21 is a color in the Orange, Brown family: RGB(103, 61, 33), HSL(24°, 51%, 27%), CMYK(0%, 41%, 68%, 60%). Closest named color: saddlebrown. Contrast is 9.27:1 on white and 2.27:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#673d21
RGBrgb(103 61 33)
RGB (legacy)rgb(103, 61, 33)
RGB %rgb(40% 24% 13%)
HSLhsl(24 51% 27%)
HSV / HSBhsv(24, 68%, 40%)
HWBhwb(24 13% 60%)
CMYKcmyk(0%, 41%, 68%, 60%)
CIELAB (D50)lab(30.53 16.85 25.1)
LCHlch(30.53 30.23 56.12)
OKLaboklab(0.4043 0.0434 0.0575)
OKLCHoklch(0.4043 0.0721 52.95)
Decimal6765857

Properties

Color ToneOrange, Brown
Closest named colorsaddlebrown ΔE 7.8
Closest web-safe color#663333
Hue24°
Saturation (HSL / HSV)51% / 68%
Lightness (HSL)27%
Brightness or Value (HSV)40%
Luminance (Rec.601 / Rec.709)28% / 27%
Relative luminance (WCAG)0.0633
Red / Green / Blue103 / 61 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
9.27:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
On Black (#000000)
2.27:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 91.2 / -11.2 · As background with white / black text: Lc -95.5 / 12.8

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: #673d21;
  --color-brand-oklch: oklch(40.43% 0.0721 52.95);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(103 61 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#673d21] text-[#673d21] border-[#673d21]">