#5B15BB
Closest named color: Chrysanthemum (#560BAD). oklch(42.8% 0.224 292.6), rgb(91, 21, 187).
Aa
White text reads best on this color (9.25:1).
About this color
#5B15BB is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.224 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.027 away. White text reads best on it, at 9.25:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.224) |
| Temperature | in between |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #5B15BB |
| RGB | rgb(91, 21, 187) |
| HSL | hsl(265, 80%, 41%) |
| OKLCH | oklch(42.8% 0.224 292.6) |
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 #5B15BB | 9.25:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #5B15BB | 2.26:1 | Fails | Lc 14.3 | Not readable |
| #5B15BB text on white | 9.25:1 | AAA | Lc 89.7 | Fine for body text |
| #5B15BB text on black | 2.26:1 | Fails | Lc -12.5 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C2B4FF
oklch(80.9% 0.105 292.4)
-
Step 400
400
#A589FF
oklch(70.7% 0.169 292.5)
-
Step 500
500
#9265FF
oklch(63.2% 0.218 292.5)
-
Step 600
600
#8233FF
oklch(55.7% 0.271 292.7)
-
Step 700
700
#7007E7
oklch(49% 0.27 292.6)
-
Step 800
800 (this color)
#5B15BB
oklch(42.8% 0.224 292.6)
-
Step 900
900
#491F93
oklch(37.6% 0.174 292.3)
-
Step 950
950
#2B1556
oklch(27.1% 0.11 293.1)
#5B15BB 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) | #0049BF | 0.119 |
| Deuteranopia (no green cones) | #0044B8 | 0.116 |
| Tritanopia (no blue cones) | #3A4C6E | 0.174 |
| Achromatopsia (no color) | #474747 | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B15BB
#5B15BB
oklch(42.8% 0.224 292.6)
- #505400
#505400
oklch(42.8% 0.095 112.9)
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 #5B15BB, closest first.
No curated palette has a color within ΔE 0.04 of #5B15BB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.027
- Violet Blue #510AC9 ΔE 0.032
- Purple Blue #5D21D0 ΔE 0.038
- Grape #7209B7 ΔE 0.049
- Imperial Purple #480CA8 ΔE 0.050
- Blurple #5539CC ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Indigo Blue #3A18B1 ΔE 0.065
Use #5B15BB 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.