#5B1A51
Closest named color: Grape Purple (#5D1451). oklch(34.4% 0.117 334.5), rgb(91, 26, 81).
Aa
White text reads best on this color (12.27:1).
About this color
#5B1A51 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.117 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.010 away. White text reads best on it, at 12.27:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.27:1 |
Values
| HEX | #5B1A51 |
| RGB | rgb(91, 26, 81) |
| HSL | hsl(309, 56%, 23%) |
| OKLCH | oklch(34.4% 0.117 334.5) |
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 #5B1A51 | 12.27:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #5B1A51 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #5B1A51 text on white | 12.27:1 | AAA | Lc 97.2 | Preferred for body text |
| #5B1A51 text on black | 1.71:1 | 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
#FBF3F9
oklch(97.2% 0.012 334.1)
-
Step 100
100
#F5E4F1
oklch(93.6% 0.025 333.7)
-
Step 200
200
#EECEE6
oklch(88.5% 0.048 334.8)
-
Step 300
300
#E5ABD8
oklch(80.9% 0.089 334.5)
-
Step 400
400
#D57DC4
oklch(70.7% 0.14 334.4)
-
Step 500
500
#C857B5
oklch(63.1% 0.181 334.5)
-
Step 600
600
#B338A0
oklch(55.6% 0.195 334.7)
-
Step 700
700
#9A2889
oklch(49.1% 0.183 334.8)
-
Step 800
800
#7D246F
oklch(42.7% 0.15 334.9)
-
Step 900
900 (this color)
#5B1A51
oklch(34.4% 0.117 334.5)
-
Step 950
950
#3B1635
oklch(27% 0.074 334)
#5B1A51 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) | #192F53 | 0.126 |
| Deuteranopia (no green cones) | #2F384F | 0.108 |
| Tritanopia (no blue cones) | #601F33 | 0.059 |
| Achromatopsia (no color) | #353535 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1A51
#5B1A51
oklch(34.4% 0.117 334.5)
- #004524
#004524
oklch(34.3% 0.085 154.9)
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 #5B1A51, closest first.
No curated palette has a color within ΔE 0.04 of #5B1A51.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.010
- Plum Purple #4E0550 ΔE 0.048
- Rich Purple #720058 ΔE 0.053
- Velvet #750851 ΔE 0.056
- Deep Violet #490648 ΔE 0.057
- Merlot #730039 ΔE 0.067
- Eggplant Purple #430541 ΔE 0.073
- Royal Purple #4B006E ΔE 0.078
Use #5B1A51 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.