#66315F
Closest named color: Grape Purple (#5D1451). oklch(40.1% 0.099 332.4), rgb(102, 49, 95).
Aa
White text reads best on this color (9.67:1).
About this color
#66315F is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.099 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.066 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.16:1 |
| White text | 9.67:1 |
Values
| HEX | #66315F |
| RGB | rgb(102, 49, 95) |
| HSL | hsl(308, 35%, 30%) |
| OKLCH | oklch(40.1% 0.099 332.4) |
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 #66315F | 9.67:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #66315F | 2.16:1 | Fails | Lc 11.9 | Not readable |
| #66315F text on white | 9.67:1 | AAA | Lc 92.1 | Preferred for body text |
| #66315F text on black | 2.16:1 | Fails | Lc -10.3 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F3E5F0
oklch(93.6% 0.021 332.9)
-
Step 200
200
#EAD0E5
oklch(88.5% 0.04 332.4)
-
Step 300
300
#DEAFD6
oklch(80.8% 0.075 332.2)
-
Step 400
400
#CC84C1
oklch(70.7% 0.119 332.4)
-
Step 500
500
#BD63B1
oklch(63.1% 0.151 332.4)
-
Step 600
600
#A8479D
oklch(55.6% 0.165 332.1)
-
Step 700
700
#903786
oklch(49% 0.154 332.3)
-
Step 800
800
#752F6D
oklch(42.7% 0.127 332.2)
-
Step 900
900 (this color)
#66315F
oklch(40.1% 0.099 332.4)
-
Step 950
950
#381A34
oklch(27.1% 0.062 332.3)
#66315F 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) | #304061 | 0.099 |
| Deuteranopia (no green cones) | #3F475D | 0.089 |
| Tritanopia (no blue cones) | #6A3543 | 0.053 |
| Achromatopsia (no color) | #444444 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66315F
#66315F
oklch(40.1% 0.099 332.4)
- #0A572C
#0A572C
oklch(40.2% 0.1 152.3)
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 #66315F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.066
- Purple Brown #673A3F ΔE 0.066
- Velvet #750851 ΔE 0.066
- Rich Purple #720058 ΔE 0.071
- Brownish Purple #76424E ΔE 0.071
- Red Purple #820747 ΔE 0.080
- Merlot #730039 ΔE 0.085
- Wine #80013F ΔE 0.085
Use #66315F 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.