#5733A8
Closest named color: Rebecca Purple (#663399). oklch(43.6% 0.176 291.5), rgb(87, 51, 168).
Aa
White text reads best on this color (8.59:1).
About this color
#5733A8 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.176 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 0.039 away. White text reads best on it, at 8.59:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #5733A8 |
| RGB | rgb(87, 51, 168) |
| HSL | hsl(258, 53%, 43%) |
| OKLCH | oklch(43.6% 0.176 291.5) |
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 #5733A8 | 8.59:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #5733A8 | 2.44:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #5733A8 text on white | 8.59:1 | AAA | Lc 88.9 | Fine for body text |
| #5733A8 text on black | 2.44:1 | Fails | Lc -13.3 | 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 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
#D9D3FD
oklch(88.5% 0.058 291.7)
-
Step 300
300
#C1B5FE
oklch(80.9% 0.102 291.5)
-
Step 400
400
#A38AFE
oklch(70.6% 0.166 291.5)
-
Step 500
500
#8F68FC
oklch(63.1% 0.211 291.3)
-
Step 600
600
#7B49EB
oklch(55.6% 0.229 291.3)
-
Step 700
700
#6838CC
oklch(49% 0.213 291.3)
-
Step 800
800 (this color)
#5733A8
oklch(43.6% 0.176 291.5)
-
Step 900
900
#452D83
oklch(37.7% 0.137 291.2)
-
Step 950
950
#281B4D
oklch(26.9% 0.088 291.3)
#5733A8 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) | #004EAC | 0.099 |
| Deuteranopia (no green cones) | #0049A6 | 0.097 |
| Tritanopia (no blue cones) | #3D5069 | 0.141 |
| Achromatopsia (no color) | #4C4C4C | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5733A8
#5733A8
oklch(43.6% 0.176 291.5)
- #545600
#545600
oklch(43.7% 0.096 111.3)
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 #5733A8, closest first.
No curated palette has a color within ΔE 0.04 of #5733A8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Blueberry #464196 ΔE 0.049
- Chrysanthemum #560BAD ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.057
- Blurple #5539CC ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.061
- Imperial Purple #480CA8 ΔE 0.064
Use #5733A8 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.