#641F21

A color in the Red, Pink family

#641f21 is a color in the Red, Pink family: RGB(100, 31, 33), HSL(358°, 53%, 26%), CMYK(0%, 69%, 67%, 61%). Closest named color: maroon. Contrast is 11.93:1 on white and 1.76:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#641f21
RGBrgb(100 31 33)
RGB (legacy)rgb(100, 31, 33)
RGB %rgb(39% 12% 13%)
HSLhsl(358 53% 26%)
HSV / HSBhsv(358, 69%, 39%)
HWBhwb(358 12% 61%)
CMYKcmyk(0%, 69%, 67%, 61%)
CIELAB (D50)lab(23.37 31.7 16.53)
LCHlch(23.37 35.75 27.54)
OKLaboklab(0.3482 0.0922 0.0378)
OKLCHoklch(0.3482 0.0996 22.28)
Decimal6561569

Properties

Color ToneRed, Pink
Closest named colormaroon ΔE 6.4
Closest web-safe color#663333
Hue358°
Saturation (HSL / HSV)53% / 69%
Lightness (HSL)26%
Brightness or Value (HSV)39%
Luminance (Rec.601 / Rec.709)20% / 18%
Relative luminance (WCAG)0.038
Red / Green / Blue100 / 31 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
11.93:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
On Black (#000000)
1.76:1
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 96.6 / 0 · As background with white / black text: Lc -100.3 / 7.3

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: #641f21;
  --color-brand-oklch: oklch(34.82% 0.0996 22.28);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(100 31 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#641f21] text-[#641f21] border-[#641f21]">