#601B66
Closest named color: Grape Purple (#5D1451). oklch(36.6% 0.138 324.5), rgb(96, 27, 102).
Aa
White text reads best on this color (11.37:1).
About this color
#601B66 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.138 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 0.037 away. White text reads best on it, at 11.37:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.84:1 |
| White text | 11.37:1 |
Values
| HEX | #601B66 |
| RGB | rgb(96, 27, 102) |
| HSL | hsl(295, 58%, 25%) |
| OKLCH | oklch(36.6% 0.138 324.5) |
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 #601B66 | 11.37:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #601B66 | 1.84:1 | Fails | Lc 8.5 | Not readable |
| #601B66 text on white | 11.37:1 | AAA | Lc 95.4 | Preferred for body text |
| #601B66 text on black | 1.84:1 | 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
#F4E3F5
oklch(93.5% 0.03 324.1)
-
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
#C550CF
oklch(63.2% 0.211 324.5)
-
Step 600
600
#B02ABC
oklch(55.6% 0.23 324.3)
-
Step 700
700
#9719A2
oklch(49.1% 0.214 324.4)
-
Step 800
800
#7B1A83
oklch(42.7% 0.177 324.6)
-
Step 900
900 (this color)
#601B66
oklch(36.6% 0.138 324.5)
-
Step 950
950
#3A143E
oklch(27% 0.087 323.8)
#601B66 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) | #073568 | 0.143 |
| Deuteranopia (no green cones) | #293D64 | 0.122 |
| Tritanopia (no blue cones) | #62273E | 0.080 |
| Achromatopsia (no color) | #3A3A3A | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #601B66
#601B66
oklch(36.6% 0.138 324.5)
- #004D0D
#004D0D
oklch(36.5% 0.116 144.5)
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 #601B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.037
- Rich Purple #720058 ΔE 0.049
- Velvet #750851 ΔE 0.059
- Plum Purple #4E0550 ΔE 0.064
- Royal Purple #4B006E ΔE 0.065
- Purple #800080 ΔE 0.079
- Indigo #4B0082 ΔE 0.080
- Deep Violet #490648 ΔE 0.080
Use #601B66 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.