#91666F
Closest named color: Purple Grey (#866F85). oklch(55.8% 0.057 5.3), rgb(145, 102, 111).
Aa
White text reads best on this color (4.84:1).
About this color
#91666F is a medium-dark, muted red. In OKLCH its lightness is 56%, its chroma 0.057 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Grey (#866F85), ΔE 0.037 away. White text reads best on it, at 4.84:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #91666F |
| RGB | rgb(145, 102, 111) |
| HSL | hsl(347, 17%, 48%) |
| OKLCH | oklch(55.8% 0.057 5.3) |
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 #91666F | 4.84:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #91666F | 4.33:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #91666F text on white | 4.84:1 | AA | Lc 73.5 | Content text, not long reading |
| #91666F text on black | 4.33:1 | AA large text | Lc -28.2 | 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
#EEE8E9
oklch(93.6% 0.007 5.6)
-
Step 200
200
#E2D5D8
oklch(88.4% 0.015 1.6)
-
Step 300
300
#D0BABE
oklch(80.9% 0.026 5.2)
-
Step 400
400
#B8969D
oklch(70.6% 0.042 4.4)
-
Step 500
500
#A67D85
oklch(63.2% 0.052 5.7)
-
Step 600
600 (this color)
#91666F
oklch(55.8% 0.057 5.3)
-
Step 700
700
#7B545C
oklch(49.1% 0.053 5.7)
-
Step 800
800
#64454C
oklch(42.7% 0.044 4.2)
-
Step 900
900
#523A3F
oklch(37.7% 0.035 5.1)
-
Step 950
950
#302225
oklch(27% 0.022 4.4)
#91666F 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) | #6C6D6F | 0.062 |
| Deuteranopia (no green cones) | #76746E | 0.057 |
| Tritanopia (no blue cones) | #996369 | 0.016 |
| Achromatopsia (no color) | #727272 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91666F
#91666F
oklch(55.8% 0.057 5.3)
- #4B7F78
#4B7F78
oklch(55.8% 0.057 184.8)
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 #91666F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.037
- Dusky Purple #895B7B ΔE 0.044
- Reddish Grey #997570 ΔE 0.045
- Grey Purple #826D8C ΔE 0.048
- Dusty Purple #825F87 ΔE 0.055
- Dull Purple #84597E ΔE 0.055
- Light Plum #9D5783 ΔE 0.060
- Dark Taupe #7F684E ΔE 0.062
Use #91666F 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.