#5D308F
Closest named color: Rebecca Purple (#663399). oklch(41.8% 0.151 302), rgb(93, 48, 143).
Aa
White text reads best on this color (9.19:1).
About this color
#5D308F is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.151 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.025 away. White text reads best on it, at 9.19:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #5D308F |
| RGB | rgb(93, 48, 143) |
| HSL | hsl(268, 50%, 37%) |
| OKLCH | oklch(41.8% 0.151 302) |
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 #5D308F | 9.19:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #5D308F | 2.28:1 | Fails | Lc 13.3 | Not readable |
| #5D308F text on white | 9.19:1 | AAA | Lc 90.7 | Preferred for body text |
| #5D308F text on black | 2.28:1 | Fails | Lc -11.7 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CBB3F1
oklch(80.8% 0.09 302.2)
-
Step 400
400
#B18AE9
oklch(70.7% 0.14 301.9)
-
Step 500
500
#9F69E2
oklch(63.1% 0.179 302.1)
-
Step 600
600
#8A4CD0
oklch(55.5% 0.196 302)
-
Step 700
700
#763CB4
oklch(49.1% 0.182 302.3)
-
Step 800
800 (this color)
#5D308F
oklch(41.8% 0.151 302)
-
Step 900
900
#4E2E74
oklch(37.7% 0.117 302.2)
-
Step 950
950
#2D1C44
oklch(27% 0.073 301.3)
#5D308F 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) | #004792 | 0.114 |
| Deuteranopia (no green cones) | #0A478D | 0.112 |
| Tritanopia (no blue cones) | #53455B | 0.112 |
| Achromatopsia (no color) | #484848 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D308F
#5D308F
oklch(41.8% 0.151 302)
- #445400
#445400
oklch(41.7% 0.101 121.5)
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 #5D308F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.054
- Chrysanthemum #560BAD ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.081
- Grape #7209B7 ΔE 0.083
- Indigo #4B0082 ΔE 0.084
- Twilight #4E518B ΔE 0.084
Use #5D308F 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.