#66515B
Closest named color: Brownish Purple (#76424E). oklch(46% 0.032 348.2), rgb(102, 81, 91).
Aa
White text reads best on this color (7.25:1).
About this color
#66515B is a medium-dark, muted red. In OKLCH its lightness is 46%, its chroma 0.032 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.046 away. White text reads best on it, at 7.25:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #66515B |
| RGB | rgb(102, 81, 91) |
| HSL | hsl(331, 11%, 36%) |
| OKLCH | oklch(46% 0.032 348.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #66515B | 7.25:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #66515B | 2.89:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #66515B text on white | 7.25:1 | AAA | Lc 85.2 | Fine for body text |
| #66515B text on black | 2.89:1 | Fails | Lc -16.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DED7DA
oklch(88.6% 0.009 349.3)
-
Step 300
300
#C9BDC2
oklch(81% 0.015 350.2)
-
Step 400
400
#AD9BA3
oklch(70.8% 0.024 349)
-
Step 500
500
#99828D
oklch(63.1% 0.032 347.6)
-
Step 600
600
#836B77
oklch(55.5% 0.035 346.7)
-
Step 700
700 (this color)
#66515B
oklch(46% 0.032 348.2)
-
Step 800
800
#5A4951
oklch(42.6% 0.026 348.3)
-
Step 900
900
#4A3D43
oklch(37.6% 0.02 348.6)
-
Step 950
950
#2C2427
oklch(27.1% 0.013 353.4)
#66515B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #52555B | 0.034 |
| Deuteranopia (no green cones) | #57585A | 0.032 |
| Tritanopia (no blue cones) | #695154 | 0.012 |
| Achromatopsia (no color) | #575757 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66515B
#66515B
oklch(46% 0.032 348.2)
- #475E55
#475E55
oklch(46% 0.031 169)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66515B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.046
- Dusty Grape #545775 ΔE 0.048
- Dark Mauve #874C62 ΔE 0.063
- Slate #516572 ΔE 0.063
- Purple Brown #673A3F ΔE 0.066
- YInMn Blue #415A77 ΔE 0.067
- Dim Gray #696969 ΔE 0.069
- Dusk #4E5481 ΔE 0.070
Use #66515B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.