#91666D
Closest named color: Purple Grey (#866F85). oklch(55.7% 0.056 8.3), rgb(145, 102, 109).
Aa
White text reads best on this color (4.85:1).
About this color
#91666D is a medium-dark, muted red. In OKLCH its lightness is 56%, its chroma 0.056 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Grey (#866F85), ΔE 0.039 away. White text reads best on it, at 4.85:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #91666D |
| RGB | rgb(145, 102, 109) |
| HSL | hsl(350, 17%, 48%) |
| OKLCH | oklch(55.7% 0.056 8.3) |
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 #91666D | 4.85:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #91666D | 4.32:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #91666D text on white | 4.85:1 | AA | Lc 73.6 | Content text, not long reading |
| #91666D text on black | 4.32:1 | AA large text | Lc -28.1 | 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 600.
-
Step 50
50
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E2D5D7
oklch(88.4% 0.015 6.7)
-
Step 300
300
#D0BABD
oklch(80.8% 0.025 8.3)
-
Step 400
400
#B8979B
oklch(70.8% 0.04 9.9)
-
Step 500
500
#A67D83
oklch(63.1% 0.052 8.9)
-
Step 600
600 (this color)
#91666D
oklch(55.7% 0.056 8.3)
-
Step 700
700
#7B545B
oklch(49% 0.053 7.4)
-
Step 800
800
#64454A
oklch(42.6% 0.043 8.4)
-
Step 900
900
#523A3E
oklch(37.7% 0.035 7.8)
-
Step 950
950
#302224
oklch(27% 0.022 9.1)
#91666D 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) | #6D6D6D | 0.060 |
| Deuteranopia (no green cones) | #77746C | 0.056 |
| Tritanopia (no blue cones) | #996368 | 0.015 |
| Achromatopsia (no color) | #717171 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91666D
#91666D
oklch(55.7% 0.056 8.3)
- #4B7E7A
#4B7E7A
oklch(55.6% 0.055 189.3)
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 #91666D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.039
- Reddish Grey #997570 ΔE 0.044
- Dusky Purple #895B7B ΔE 0.046
- Grey Purple #826D8C ΔE 0.050
- Dusty Purple #825F87 ΔE 0.057
- Dull Purple #84597E ΔE 0.057
- Dark Taupe #7F684E ΔE 0.059
- Light Plum #9D5783 ΔE 0.062
Use #91666D 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.