#553163
Closest named color: Grape Purple (#5D1451). oklch(38% 0.092 315.9), rgb(85, 49, 99).
Aa
White text reads best on this color (10.46:1).
About this color
#553163 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.092 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.064 away. White text reads best on it, at 10.46:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #553163 |
| RGB | rgb(85, 49, 99) |
| HSL | hsl(283, 34%, 29%) |
| OKLCH | oklch(38% 0.092 315.9) |
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 #553163 | 10.46:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #553163 | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #553163 text on white | 10.46:1 | AAA | Lc 94.1 | Preferred for body text |
| #553163 text on black | 2.00:1 | Fails | Lc -8.5 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EB
oklch(88.5% 0.038 315.1)
-
Step 300
300
#D2B3DF
oklch(80.8% 0.069 315.9)
-
Step 400
400
#BB8BCF
oklch(70.7% 0.11 315.7)
-
Step 500
500
#AA6CC3
oklch(63.1% 0.142 315.7)
-
Step 600
600
#9552AF
oklch(55.6% 0.154 315.7)
-
Step 700
700
#7F4296
oklch(49.1% 0.142 315.9)
-
Step 800
800
#67377A
oklch(42.7% 0.118 315.6)
-
Step 900
900 (this color)
#553163
oklch(38% 0.092 315.9)
-
Step 950
950
#311D3A
oklch(27% 0.058 314.7)
#553163 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) | #273D65 | 0.080 |
| Deuteranopia (no green cones) | #324062 | 0.070 |
| Tritanopia (no blue cones) | #543845 | 0.061 |
| Achromatopsia (no color) | #3F3F3F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553163
#553163
oklch(38% 0.092 315.9)
- #2A4D16
#2A4D16
oklch(38% 0.092 136.1)
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 #553163, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.073
- Purple Brown #673A3F ΔE 0.083
- Rich Purple #720058 ΔE 0.087
- Velvet #750851 ΔE 0.088
- Plum Purple #4E0550 ΔE 0.090
- Blueberry #464196 ΔE 0.092
- Dark Grey Blue #29465B ΔE 0.093
Use #553163 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.