#664D51 color codes
- HEX
- #664D51
- HEX8
- #664D51FF
- HEX8 (Android)
- #FF664D51
- RGB
- rgb(102, 77, 81)
- RGB (%)
- 40%, 30%, 32%
- HSL
- hsl(350, 14%, 35%)
- HSV / HSB
- hsv(350, 25%, 40%)
- CMYK
- cmyk(0%, 25%, 21%, 60%)
- OKLCH
- oklch(0.4478 0.0343 7.84)
- OKLCH (%)
- oklch(44.78% 0.0343 7.84)
- Decimal
- 6704465
What color is #664D51?
#664D51 sits at 45% lightness and 0.0343 chroma in OKLCH, hue 7.84°. Its nearest named color is DimGray.
Shades and tints of #664D51
Tints
Shades
Tones
#664D51 color harmonies
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Square
Monochromatic
Using #664D51 in CSS
.text { color: #664D51; }
.background { background-color: #664D51; }
.border { border: 2px solid #664D51; }
/* Modern, perceptually uniform */
.text { color: oklch(0.4478 0.0343 7.84); }
/* #664D51 at 50% transparency */
.overlay { background-color: #664D5180; }Is #664D51 accessible?
#664D51 on white text scores 7.65:1; on black text it scores 2.75:1. White text passes WCAG AAA on #664D51. Recommended text color on a #664D51 background: white.
A 2.75:1 vs black
A 7.65:1 vs white
- AA normal ≥ 4.5 Pass
- AA large ≥ 3 Pass
- AAA normal ≥ 7 Pass
- AAA large ≥ 4.5 Pass
Recommended text color: white
CSS
contrast-color() contrast-color(#664D51) → white APCA Lc experimental 91.3 Lc · body text — preferred (white text)
WCAG 2.1 AA/AAA is the compliance floor; APCA is an optional readability metric.
Related colors
See more in the brown family on the colors hub.
Frequently asked questions
- What color is #664D51?
- #664D51 is closest to DimGray. In RGB it is rgb(102, 77, 81), and in HSL hsl(350, 14%, 35%).
- What is #664D51 in RGB?
- #664D51 converts to rgb(102, 77, 81) — red 102, green 77, blue 81.
- What text color is readable on #664D51?
- White text — it has the higher contrast ratio (7.65:1) against #664D51. White text passes WCAG AAA on #664D51.