#661F52
Closest named color: Grape Purple (#5D1451). oklch(36.9% 0.119 340.7), rgb(102, 31, 82).
Aa
White text reads best on this color (11.15:1).
About this color
#661F52 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.119 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.031 away. White text reads best on it, at 11.15:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #661F52 |
| RGB | rgb(102, 31, 82) |
| HSL | hsl(317, 53%, 26%) |
| OKLCH | oklch(36.9% 0.119 340.7) |
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 #661F52 | 11.15:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #661F52 | 1.88:1 | Fails | Lc 8.9 | Not readable |
| #661F52 text on white | 11.15:1 | AAA | Lc 95.0 | Preferred for body text |
| #661F52 text on black | 1.88:1 | Fails | Lc -7.6 | Not readable |
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 900.
-
Step 50
50
#FBF2F8
oklch(97% 0.012 337.5)
-
Step 100
100
#F7E3EF
oklch(93.5% 0.027 340.9)
-
Step 200
200
#F1CDE3
oklch(88.5% 0.049 340.9)
-
Step 300
300
#E9AAD2
oklch(80.9% 0.09 340.9)
-
Step 400
400
#DB7ABB
oklch(70.6% 0.143 340.9)
-
Step 500
500
#CE54AA
oklch(63.1% 0.182 340.7)
-
Step 600
600
#B93395
oklch(55.6% 0.197 340.8)
-
Step 700
700
#9F237F
oklch(49% 0.184 340.8)
-
Step 800
800
#812068
oklch(42.6% 0.153 340.3)
-
Step 900
900 (this color)
#661F52
oklch(36.9% 0.119 340.7)
-
Step 950
950
#3D1531
oklch(26.9% 0.074 340.7)
#661F52 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) | #243454 | 0.128 |
| Deuteranopia (no green cones) | #393F50 | 0.113 |
| Tritanopia (no blue cones) | #6C2035 | 0.053 |
| Achromatopsia (no color) | #3B3B3B | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #661F52
#661F52
oklch(36.9% 0.119 340.7)
- #004C31
#004C31
oklch(36.8% 0.082 161.3)
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 #661F52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.031
- Velvet #750851 ΔE 0.038
- Rich Purple #720058 ΔE 0.042
- Merlot #730039 ΔE 0.053
- Red Purple #820747 ΔE 0.063
- Wine #80013F ΔE 0.064
- Plum Purple #4E0550 ΔE 0.074
- Bordeaux #7B002C ΔE 0.076
Use #661F52 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.