#66256B
Closest named color: Rich Purple (#720058). oklch(39% 0.131 324.8), rgb(102, 37, 107).
Aa
White text reads best on this color (10.28:1).
About this color
#66256B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.131 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.054 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #66256B |
| RGB | rgb(102, 37, 107) |
| HSL | hsl(296, 49%, 28%) |
| OKLCH | oklch(39% 0.131 324.8) |
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 #66256B | 10.28:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #66256B | 2.04:1 | Fails | Lc 10.7 | Not readable |
| #66256B text on white | 10.28:1 | AAA | Lc 93.2 | Preferred for body text |
| #66256B text on black | 2.04:1 | Fails | Lc -9.3 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F5
oklch(93.7% 0.028 324)
-
Step 200
200
#ECCDEE
oklch(88.4% 0.056 324.1)
-
Step 300
300
#E1ABE4
oklch(80.9% 0.098 324.7)
-
Step 400
400
#D17BD6
oklch(70.7% 0.158 325.1)
-
Step 500
500
#C354CB
oklch(63.2% 0.201 324.9)
-
Step 600
600
#AE31B8
oklch(55.6% 0.219 324.7)
-
Step 700
700
#95219E
oklch(49% 0.203 324.8)
-
Step 800
800
#791F80
oklch(42.6% 0.168 324.8)
-
Step 900
900 (this color)
#66256B
oklch(39% 0.131 324.8)
-
Step 950
950
#3A153C
oklch(27.1% 0.083 325.5)
#66256B 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) | #193B6D | 0.133 |
| Deuteranopia (no green cones) | #314369 | 0.115 |
| Tritanopia (no blue cones) | #682F44 | 0.077 |
| Achromatopsia (no color) | #414141 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66256B
#66256B
oklch(39% 0.131 324.8)
- #005511
#005511
oklch(39.1% 0.124 144.8)
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 #66256B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.055
- Velvet #750851 ΔE 0.060
- Purple #800080 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.079
- Red Purple #820747 ΔE 0.086
- Royal Purple #4B006E ΔE 0.086
- Plum Purple #4E0550 ΔE 0.088
Use #66256B 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.