#5533A6
Closest named color: Rebecca Purple (#663399). oklch(43.2% 0.174 290.9), rgb(85, 51, 166).
Aa
White text reads best on this color (8.71:1).
About this color
#5533A6 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.174 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.040 away. White text reads best on it, at 8.71:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #5533A6 |
| RGB | rgb(85, 51, 166) |
| HSL | hsl(258, 53%, 43%) |
| OKLCH | oklch(43.2% 0.174 290.9) |
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 #5533A6 | 8.71:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #5533A6 | 2.41:1 | Fails | Lc 14.7 | Not readable |
| #5533A6 text on white | 8.71:1 | AAA | Lc 89.2 | Fine for body text |
| #5533A6 text on black | 2.41:1 | Fails | Lc -13.0 | 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 800.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D3FC
oklch(88.4% 0.056 290.8)
-
Step 300
300
#C0B5FE
oklch(80.8% 0.102 290.8)
-
Step 400
400
#A28BFD
oklch(70.6% 0.163 290.9)
-
Step 500
500
#8E69FB
oklch(63.1% 0.208 290.9)
-
Step 600
600
#7A4AEA
oklch(55.6% 0.227 290.9)
-
Step 700
700
#673ACB
oklch(49.1% 0.209 290.8)
-
Step 800
800 (this color)
#5533A6
oklch(43.2% 0.174 290.9)
-
Step 900
900
#442E82
oklch(37.7% 0.135 290.5)
-
Step 950
950
#281C4C
oklch(27% 0.085 291.2)
#5533A6 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) | #004DA9 | 0.096 |
| Deuteranopia (no green cones) | #0049A4 | 0.095 |
| Tritanopia (no blue cones) | #3B5068 | 0.140 |
| Achromatopsia (no color) | #4B4B4B | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5533A6
#5533A6
oklch(43.2% 0.174 290.9)
- #535400
#535400
oklch(43.1% 0.094 110.6)
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 #5533A6, closest first.
No curated palette has a color within ΔE 0.04 of #5533A6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.040
- Blueberry #464196 ΔE 0.046
- Chrysanthemum #560BAD ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.062
- Blurple #5539CC ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.065
Use #5533A6 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.