#5B1661
Closest named color: Grape Purple (#5D1451). oklch(35% 0.137 324.5), rgb(91, 22, 97).
Aa
White text reads best on this color (12.12:1).
About this color
#5B1661 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.137 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.029 away. White text reads best on it, at 12.12:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.73:1 |
| White text | 12.12:1 |
Values
| HEX | #5B1661 |
| RGB | rgb(91, 22, 97) |
| HSL | hsl(295, 63%, 23%) |
| OKLCH | oklch(35% 0.137 324.5) |
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 #5B1661 | 12.12:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #5B1661 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #5B1661 text on white | 12.12:1 | AAA | Lc 96.7 | Preferred for body text |
| #5B1661 text on black | 1.73:1 | 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
#F4E4F5
oklch(93.7% 0.028 324)
-
Step 200
200
#EDCDEF
oklch(88.5% 0.057 324.2)
-
Step 300
300
#E2AAE6
oklch(80.9% 0.103 324.3)
-
Step 400
400
#D279D9
oklch(70.7% 0.164 324.5)
-
Step 500
500
#C450CE
oklch(63% 0.21 324.5)
-
Step 600
600
#B02BBB
oklch(55.6% 0.228 324.6)
-
Step 700
700
#971AA1
oklch(49.1% 0.212 324.7)
-
Step 800
800
#7A1B83
oklch(42.7% 0.175 324.1)
-
Step 900
900 (this color)
#5B1661
oklch(35% 0.137 324.5)
-
Step 950
950
#3A143D
oklch(27% 0.086 324.7)
#5B1661 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) | #003163 | 0.144 |
| Deuteranopia (no green cones) | #25395F | 0.121 |
| Tritanopia (no blue cones) | #5D233A | 0.080 |
| Achromatopsia (no color) | #363636 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1661
#5B1661
oklch(35% 0.137 324.5)
- #00480B
#00480B
oklch(34.9% 0.112 144.4)
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 #5B1661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.029
- Plum Purple #4E0550 ΔE 0.048
- Rich Purple #720058 ΔE 0.054
- Royal Purple #4B006E ΔE 0.055
- Deep Violet #490648 ΔE 0.064
- Velvet #750851 ΔE 0.065
- Indigo #4B0082 ΔE 0.076
- Eggplant Purple #430541 ΔE 0.082
Use #5B1661 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.