#5B1766
Closest named color: Grape Purple (#5D1451). oklch(35.4% 0.14 321.7), rgb(91, 23, 102).
Aa
White text reads best on this color (11.93:1).
About this color
#5B1766 is a dark, vivid purple. In OKLCH its lightness is 35%, its chroma 0.140 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.037 away. White text reads best on it, at 11.93:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.75:1 |
| White text | 11.93:1 |
Values
| HEX | #5B1766 |
| RGB | rgb(91, 23, 102) |
| HSL | hsl(292, 63%, 25%) |
| OKLCH | oklch(35.4% 0.14 321.7) |
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 #5B1766 | 11.93:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #5B1766 | 1.75:1 | Fails | Lc 7.5 | Not readable |
| #5B1766 text on white | 11.93:1 | AAA | Lc 96.4 | Preferred for body text |
| #5B1766 text on black | 1.75:1 | 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
#FAF2FB
oklch(97% 0.015 322.3)
-
Step 100
100
#F4E4F6
oklch(93.7% 0.029 322.4)
-
Step 200
200
#ECCDF1
oklch(88.5% 0.059 321.6)
-
Step 300
300
#E1AAE9
oklch(80.9% 0.105 322.2)
-
Step 400
400
#D079DE
oklch(70.7% 0.168 321.9)
-
Step 500
500
#C250D5
oklch(63.1% 0.215 321.7)
-
Step 600
600
#AD2AC2
oklch(55.5% 0.233 321.6)
-
Step 700
700
#9519A8
oklch(49.2% 0.218 321.7)
-
Step 800
800
#791A88
oklch(42.8% 0.18 321.7)
-
Step 900
900 (this color)
#5B1766
oklch(35.4% 0.14 321.7)
-
Step 950
950
#391440
oklch(27% 0.088 321)
#5B1766 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) | #003268 | 0.142 |
| Deuteranopia (no green cones) | #213964 | 0.123 |
| Tritanopia (no blue cones) | #5C263D | 0.085 |
| Achromatopsia (no color) | #373737 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1766
#5B1766
oklch(35.4% 0.14 321.7)
- #064A00
#064A00
oklch(35.6% 0.119 141.7)
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 #5B1766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.037
- Royal Purple #4B006E ΔE 0.052
- Plum Purple #4E0550 ΔE 0.054
- Rich Purple #720058 ΔE 0.058
- Velvet #750851 ΔE 0.069
- Indigo #4B0082 ΔE 0.069
- Deep Violet #490648 ΔE 0.070
- Purple #800080 ΔE 0.087
Use #5B1766 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.