#5B2375
Closest named color: Royal Purple (#4B006E). oklch(37.9% 0.139 313.1), rgb(91, 35, 117).
Aa
White text reads best on this color (10.81:1).
About this color
#5B2375 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.139 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.064 away. White text reads best on it, at 10.81:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.94:1 |
| White text | 10.81:1 |
Values
| HEX | #5B2375 |
| RGB | rgb(91, 35, 117) |
| HSL | hsl(281, 54%, 30%) |
| OKLCH | oklch(37.9% 0.139 313.1) |
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 #5B2375 | 10.81:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #5B2375 | 1.94:1 | Fails | Lc 9.5 | Not readable |
| #5B2375 text on white | 10.81:1 | AAA | Lc 94.4 | Preferred for body text |
| #5B2375 text on black | 1.94:1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E4F9
oklch(93.5% 0.031 312.9)
-
Step 200
200
#E7CFF5
oklch(88.6% 0.057 313.1)
-
Step 300
300
#D8ADF1
oklch(80.9% 0.104 312.8)
-
Step 400
400
#C57EEA
oklch(70.8% 0.167 313.1)
-
Step 500
500
#B557E3
oklch(63.1% 0.213 312.9)
-
Step 600
600
#A133D0
oklch(55.5% 0.232 313.3)
-
Step 700
700
#8A23B5
oklch(49.2% 0.217 313.1)
-
Step 800
800
#702192
oklch(42.7% 0.179 313.2)
-
Step 900
900 (this color)
#5B2375
oklch(37.9% 0.139 313.1)
-
Step 950
950
#351644
oklch(27% 0.087 313.1)
#5B2375 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) | #003A77 | 0.128 |
| Deuteranopia (no green cones) | #1D3F73 | 0.115 |
| Tritanopia (no blue cones) | #583349 | 0.092 |
| Achromatopsia (no color) | #3D3D3D | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2375
#5B2375
oklch(37.9% 0.139 313.1)
- #294D00
#294D00
oklch(37.8% 0.107 133.2)
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 #5B2375, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.064
- Indigo #4B0082 ΔE 0.064
- Grape Purple #5D1451 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.073
- Rich Purple #720058 ΔE 0.076
- Purple #800080 ΔE 0.081
- Plum Purple #4E0550 ΔE 0.083
Use #5B2375 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.