#552680
Closest named color: Indigo (#4B0082). oklch(38.3% 0.145 304.2), rgb(85, 38, 128).
Aa
White text reads best on this color (10.63:1).
About this color
#552680 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.145 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.056 away. White text reads best on it, at 10.63:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #552680 |
| RGB | rgb(85, 38, 128) |
| HSL | hsl(271, 54%, 33%) |
| OKLCH | oklch(38.3% 0.145 304.2) |
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 #552680 | 10.63:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #552680 | 1.97:1 | Fails | Lc 9.9 | Not readable |
| #552680 text on white | 10.63:1 | AAA | Lc 94.0 | Preferred for body text |
| #552680 text on black | 1.97:1 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FC
oklch(93.6% 0.032 303.5)
-
Step 200
200
#E2D0FA
oklch(88.5% 0.06 304.6)
-
Step 300
300
#D0AFFA
oklch(80.9% 0.109 304.2)
-
Step 400
400
#B981F7
oklch(70.7% 0.174 304.2)
-
Step 500
500
#A85AF4
oklch(63.1% 0.223 304)
-
Step 600
600
#9436E2
oklch(55.5% 0.242 304.1)
-
Step 700
700
#7F25C5
oklch(49.1% 0.226 304.3)
-
Step 800
800
#67239F
oklch(42.7% 0.187 304.3)
-
Step 900
900 (this color)
#552680
oklch(38.3% 0.145 304.2)
-
Step 950
950
#31174A
oklch(27.1% 0.092 304.4)
#552680 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) | #003D83 | 0.113 |
| Deuteranopia (no green cones) | #033E7E | 0.113 |
| Tritanopia (no blue cones) | #4D3A50 | 0.104 |
| Achromatopsia (no color) | #3E3E3E | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552680
#552680
oklch(38.3% 0.145 304.2)
- #384B00
#384B00
oklch(38.3% 0.096 124.5)
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 #552680, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.057
- Rebecca Purple #663399 ΔE 0.059
- Royal Purple #4B006E ΔE 0.067
- Blueberry #464196 ΔE 0.072
- Chrysanthemum #560BAD ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.086
Use #552680 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.