#552983
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.145 302.6), rgb(85, 41, 131).
Aa
White text reads best on this color (10.33:1).
About this color
#552983 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.145 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 10.33:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #552983 |
| RGB | rgb(85, 41, 131) |
| HSL | hsl(269, 52%, 34%) |
| OKLCH | oklch(38.9% 0.145 302.6) |
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 #552983 | 10.33:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #552983 | 2.03:1 | Fails | Lc 10.5 | Not readable |
| #552983 text on white | 10.33:1 | AAA | Lc 93.4 | Preferred for body text |
| #552983 text on black | 2.03:1 | Fails | Lc -9.1 | 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
#E1D0FB
oklch(88.5% 0.061 303.1)
-
Step 300
300
#CEB0FB
oklch(81% 0.108 302.4)
-
Step 400
400
#B682F9
oklch(70.7% 0.174 302.4)
-
Step 500
500
#A55BF5
oklch(63% 0.222 302.6)
-
Step 600
600
#9139E4
oklch(55.6% 0.241 302.4)
-
Step 700
700
#7C28C6
oklch(49.1% 0.224 302.6)
-
Step 800
800
#6524A0
oklch(42.7% 0.186 302.9)
-
Step 900
900 (this color)
#552983
oklch(38.9% 0.145 302.6)
-
Step 950
950
#30174B
oklch(27% 0.093 302.7)
#552983 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) | #003F86 | 0.109 |
| Deuteranopia (no green cones) | #024081 | 0.110 |
| Tritanopia (no blue cones) | #4C3D52 | 0.107 |
| Achromatopsia (no color) | #404040 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #552983
#552983
oklch(38.9% 0.145 302.6)
- #3C4C00
#3C4C00
oklch(38.9% 0.095 122.4)
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 #552983, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Rebecca Purple #663399 ΔE 0.053
- Indigo #4B0082 ΔE 0.061
- Blueberry #464196 ΔE 0.065
- Royal Purple #4B006E ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.078
- Grape Purple #5D1451 ΔE 0.092
Use #552983 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.