#5B207A
Closest named color: Indigo (#4B0082). oklch(37.9% 0.149 311.3), rgb(91, 32, 122).
Aa
White text reads best on this color (10.86:1).
About this color
#5B207A is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.149 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.057 away. White text reads best on it, at 10.86:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.93:1 |
| White text | 10.86:1 |
Values
| HEX | #5B207A |
| RGB | rgb(91, 32, 122) |
| HSL | hsl(279, 58%, 30%) |
| OKLCH | oklch(37.9% 0.149 311.3) |
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 #5B207A | 10.86:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #5B207A | 1.93:1 | Fails | Lc 9.5 | Not readable |
| #5B207A text on white | 10.86:1 | AAA | Lc 94.4 | Preferred for body text |
| #5B207A text on black | 1.93:1 | Fails | Lc -8.2 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F1E4FA
oklch(93.6% 0.032 311.7)
-
Step 200
200
#E7CEF8
oklch(88.5% 0.063 311.6)
-
Step 300
300
#D8ACF6
oklch(80.9% 0.112 311.1)
-
Step 400
400
#C47CF1
oklch(70.8% 0.178 311)
-
Step 500
500
#B552EB
oklch(63% 0.228 311.3)
-
Step 600
600
#A12BDA
oklch(55.6% 0.248 311.2)
-
Step 700
700
#8A19BD
oklch(49.1% 0.231 311.3)
-
Step 800
800
#701B99
oklch(42.8% 0.191 311.2)
-
Step 900
900 (this color)
#5B207A
oklch(37.9% 0.149 311.3)
-
Step 950
950
#351447
oklch(26.9% 0.095 311.5)
#5B207A 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) | #003A7D | 0.129 |
| Deuteranopia (no green cones) | #133E78 | 0.123 |
| Tritanopia (no blue cones) | #57344B | 0.100 |
| Achromatopsia (no color) | #3D3D3D | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B207A
#5B207A
oklch(37.9% 0.149 311.3)
- #2D4C00
#2D4C00
oklch(37.8% 0.103 131.1)
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 #5B207A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.057
- Royal Purple #4B006E ΔE 0.061
- Rebecca Purple #663399 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.073
- Purple #800080 ΔE 0.080
- Rich Purple #720058 ΔE 0.081
- Plum Purple #4E0550 ΔE 0.087
Use #5B207A 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.