#5B1B4B
Closest named color: Grape Purple (#5D1451). oklch(34.2% 0.111 339.1), rgb(91, 27, 75).
Aa
White text reads best on this color (12.32:1).
About this color
#5B1B4B is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.111 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.017 away. White text reads best on it, at 12.32:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.70:1 |
| White text | 12.32:1 |
Values
| HEX | #5B1B4B |
| RGB | rgb(91, 27, 75) |
| HSL | hsl(315, 54%, 23%) |
| OKLCH | oklch(34.2% 0.111 339.1) |
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 #5B1B4B | 12.32:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #5B1B4B | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #5B1B4B text on white | 12.32:1 | AAA | Lc 97.4 | Preferred for body text |
| #5B1B4B text on black | 1.70:1 | Fails | Lc 0.0 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F6E4EF
oklch(93.6% 0.024 340.3)
-
Step 200
200
#EFCEE3
oklch(88.5% 0.046 339.7)
-
Step 300
300
#E5ACD2
oklch(80.8% 0.083 339.2)
-
Step 400
400
#D67EBC
oklch(70.7% 0.133 338.9)
-
Step 500
500
#C95AAB
oklch(63.2% 0.17 339.1)
-
Step 600
600
#B43B96
oklch(55.6% 0.185 339.1)
-
Step 700
700
#9B2C80
oklch(49.2% 0.172 339.3)
-
Step 800
800
#7E2668
oklch(42.7% 0.143 339.3)
-
Step 900
900 (this color)
#5B1B4B
oklch(34.2% 0.111 339.1)
-
Step 950
950
#3C1732
oklch(27.1% 0.07 338.9)
#5B1B4B 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) | #1E2E4C | 0.120 |
| Deuteranopia (no green cones) | #323849 | 0.104 |
| Tritanopia (no blue cones) | #601D30 | 0.051 |
| Achromatopsia (no color) | #353535 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1B4B
#5B1B4B
oklch(34.2% 0.111 339.1)
- #004429
#004429
oklch(34.1% 0.078 159.2)
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 #5B1B4B, closest first.
No curated palette has a color within ΔE 0.04 of #5B1B4B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.017
- Plum Purple #4E0550 ΔE 0.052
- Velvet #750851 ΔE 0.057
- Rich Purple #720058 ΔE 0.058
- Deep Violet #490648 ΔE 0.059
- Merlot #730039 ΔE 0.061
- Burgundy #610023 ΔE 0.070
- Eggplant Purple #430541 ΔE 0.073
Use #5B1B4B 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.