#552480
Closest named color: Indigo (#4B0082). oklch(38% 0.148 304.6), rgb(85, 36, 128).
Aa
White text reads best on this color (10.76:1).
About this color
#552480 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.052 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #552480 |
| RGB | rgb(85, 36, 128) |
| HSL | hsl(272, 56%, 32%) |
| OKLCH | oklch(38% 0.148 304.6) |
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 #552480 | 10.76:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #552480 | 1.95:1 | Fails | Lc 9.6 | Not readable |
| #552480 text on white | 10.76:1 | AAA | Lc 94.3 | Preferred for body text |
| #552480 text on black | 1.95:1 | Fails | Lc -8.3 | 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EEE5FC
oklch(93.6% 0.032 303.5)
-
Step 200
200
#E2D0FB
oklch(88.6% 0.061 304.2)
-
Step 300
300
#D1AEFB
oklch(80.9% 0.112 304.8)
-
Step 400
400
#BA80F9
oklch(70.8% 0.178 304.4)
-
Step 500
500
#AA58F5
oklch(63.1% 0.227 304.7)
-
Step 600
600
#9633E4
oklch(55.6% 0.247 304.6)
-
Step 700
700
#8022C6
oklch(49.1% 0.23 304.6)
-
Step 800
800
#6821A0
oklch(42.8% 0.19 304.7)
-
Step 900
900 (this color)
#552480
oklch(38% 0.148 304.6)
-
Step 950
950
#31164A
oklch(26.9% 0.094 304.8)
#552480 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) | #003C83 | 0.114 |
| Deuteranopia (no green cones) | #003E7E | 0.116 |
| Tritanopia (no blue cones) | #4D394F | 0.107 |
| Achromatopsia (no color) | #3E3E3E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552480
#552480
oklch(38% 0.148 304.6)
- #374A00
#374A00
oklch(37.9% 0.095 124.6)
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 #552480, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.060
- Rebecca Purple #663399 ΔE 0.061
- Royal Purple #4B006E ΔE 0.064
- Blueberry #464196 ΔE 0.075
- Chrysanthemum #560BAD ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.085
Use #552480 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.