#55105A
Closest named color: Grape Purple (#5D1451). oklch(33% 0.135 325), rgb(85, 16, 90).
Aa
White text reads best on this color (13.05:1).
About this color
#55105A is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.135 and its hue 325°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.028 away. White text reads best on it, at 13.05:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.60:1 |
| White text | 13.05:1 |
Values
| HEX | #55105A |
| RGB | rgb(85, 16, 90) |
| HSL | hsl(296, 70%, 21%) |
| OKLCH | oklch(33% 0.135 325) |
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 #55105A | 13.05:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #55105A | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #55105A text on white | 13.05:1 | AAA | Lc 98.3 | Preferred for body text |
| #55105A text on black | 1.60:1 | Fails | Lc 0.0 | 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E4F5
oklch(93.7% 0.028 324)
-
Step 200
200
#EDCDEE
oklch(88.5% 0.056 325.1)
-
Step 300
300
#E2AAE5
oklch(80.9% 0.101 324.8)
-
Step 400
400
#D27AD7
oklch(70.7% 0.161 325.2)
-
Step 500
500
#C452CC
oklch(63.1% 0.205 325)
-
Step 600
600
#B02DB9
oklch(55.6% 0.225 325.2)
-
Step 700
700
#971D9F
oklch(49.1% 0.208 325.3)
-
Step 800
800
#7A1C81
oklch(42.6% 0.173 325)
-
Step 900
900 (this color)
#55105A
oklch(33% 0.135 325)
-
Step 950
950
#3A143D
oklch(27% 0.086 324.7)
#55105A 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) | #002B5C | 0.141 |
| Deuteranopia (no green cones) | #203458 | 0.121 |
| Tritanopia (no blue cones) | #571E35 | 0.077 |
| Achromatopsia (no color) | #313131 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55105A
#55105A
oklch(33% 0.135 325)
- #00420C
#00420C
oklch(32.9% 0.104 145)
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 #55105A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.028
- Plum Purple #4E0550 ΔE 0.028
- Deep Violet #490648 ΔE 0.044
- Royal Purple #4B006E ΔE 0.049
- Eggplant Purple #430541 ΔE 0.062
- Rich Purple #720058 ΔE 0.064
- Velvet #750851 ΔE 0.074
- Indigo #4B0082 ΔE 0.078
Use #55105A 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.