#5D3299
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.16 298.6), rgb(93, 50, 153).
Aa
White text reads best on this color (8.81:1).
About this color
#5D3299 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.160 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.018 away. White text reads best on it, at 8.81:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #5D3299 |
| RGB | rgb(93, 50, 153) |
| HSL | hsl(265, 51%, 40%) |
| OKLCH | oklch(42.8% 0.16 298.6) |
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 #5D3299 | 8.81:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #5D3299 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #5D3299 text on white | 8.81:1 | AAA | Lc 89.6 | Fine for body text |
| #5D3299 text on black | 2.38:1 | Fails | Lc -12.6 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F8
oklch(88.5% 0.053 298.5)
-
Step 300
300
#C8B4F5
oklch(80.9% 0.093 298.4)
-
Step 400
400
#AD8AF0
oklch(70.7% 0.148 298.3)
-
Step 500
500
#9B68EB
oklch(63.1% 0.191 298.8)
-
Step 600
600
#864BD9
oklch(55.6% 0.207 298.5)
-
Step 700
700
#723ABD
oklch(49.1% 0.194 298.5)
-
Step 800
800 (this color)
#5D3299
oklch(42.8% 0.16 298.6)
-
Step 900
900
#4C2D79
oklch(37.7% 0.125 299.1)
-
Step 950
950
#2C1B47
oklch(26.9% 0.08 298.8)
#5D3299 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) | #004A9C | 0.111 |
| Deuteranopia (no green cones) | #004997 | 0.111 |
| Tritanopia (no blue cones) | #4F4A61 | 0.122 |
| Achromatopsia (no color) | #4A4A4A | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3299
#5D3299
oklch(42.8% 0.16 298.6)
- #4A5600
#4A5600
oklch(42.8% 0.1 118.6)
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 #5D3299, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.018
- Dark Slate Blue #483D8B ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Chrysanthemum #560BAD ΔE 0.062
- Grape #7209B7 ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.075
- Blue With A Hint Of Purple #533CC6 ΔE 0.078
- Bluey Purple #6241C7 ΔE 0.080
Use #5D3299 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.