#5B207E
Closest named color: Indigo (#4B0082). oklch(38.2% 0.153 309.6), rgb(91, 32, 126).
Aa
White text reads best on this color (10.75:1).
About this color
#5B207E is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.153 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.055 away. White text reads best on it, at 10.75:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #5B207E |
| RGB | rgb(91, 32, 126) |
| HSL | hsl(278, 59%, 31%) |
| OKLCH | oklch(38.2% 0.153 309.6) |
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 #5B207E | 10.75:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #5B207E | 1.95:1 | Fails | Lc 9.8 | Not readable |
| #5B207E text on white | 10.75:1 | AAA | Lc 94.1 | Preferred for body text |
| #5B207E text on black | 1.95:1 | Fails | Lc -8.4 | 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 900.
-
Step 50
50
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F1E4FB
oklch(93.6% 0.034 310.7)
-
Step 200
200
#E6CEF9
oklch(88.5% 0.063 310.1)
-
Step 300
300
#D7ACF8
oklch(80.9% 0.114 309.8)
-
Step 400
400
#C37BF5
oklch(70.7% 0.184 309.7)
-
Step 500
500
#B451F1
oklch(63.2% 0.235 309.7)
-
Step 600
600
#9F28DF
oklch(55.5% 0.254 309.5)
-
Step 700
700
#8815C2
oklch(49.1% 0.237 309.4)
-
Step 800
800
#6F189D
oklch(42.7% 0.197 309.6)
-
Step 900
900 (this color)
#5B207E
oklch(38.2% 0.153 309.6)
-
Step 950
950
#341449
oklch(26.9% 0.097 309.1)
#5B207E 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) | #003B81 | 0.128 |
| Deuteranopia (no green cones) | #0B3E7C | 0.125 |
| Tritanopia (no blue cones) | #56354D | 0.104 |
| Achromatopsia (no color) | #3E3E3E | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B207E
#5B207E
oklch(38.2% 0.153 309.6)
- #304D00
#304D00
oklch(38.2% 0.103 130)
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 #5B207E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.055
- Rebecca Purple #663399 ΔE 0.061
- Royal Purple #4B006E ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.071
- Grape Purple #5D1451 ΔE 0.079
- Purple #800080 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.082
- Blueberry #464196 ΔE 0.085
Use #5B207E 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.