#4B1B58
Closest named color: Plum Purple (#4E0550). oklch(32.4% 0.113 318.4), rgb(75, 27, 88).
Aa
White text reads best on this color (13.15:1).
About this color
#4B1B58 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.113 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.035 away. White text reads best on it, at 13.15:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #4B1B58 |
| RGB | rgb(75, 27, 88) |
| HSL | hsl(287, 53%, 23%) |
| OKLCH | oklch(32.4% 0.113 318.4) |
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 #4B1B58 | 13.15:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #4B1B58 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #4B1B58 text on white | 13.15:1 | AAA | Lc 98.9 | Preferred for body text |
| #4B1B58 text on black | 1.59:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E7D0EE
oklch(88.6% 0.047 318.3)
-
Step 300
300
#D8B0E4
oklch(80.9% 0.084 318.3)
-
Step 400
400
#C484D7
oklch(70.8% 0.136 318.3)
-
Step 500
500
#B462CB
oklch(63.1% 0.172 318.5)
-
Step 600
600
#9F45B8
oklch(55.6% 0.187 318.3)
-
Step 700
700
#88359F
oklch(49.1% 0.175 318.2)
-
Step 800
800
#6F2D81
oklch(42.7% 0.146 318.4)
-
Step 900
900 (this color)
#4B1B58
oklch(32.4% 0.113 318.4)
-
Step 950
950
#35193C
oklch(27% 0.072 319.3)
#4B1B58 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) | #072D5A | 0.110 |
| Deuteranopia (no green cones) | #1E3257 | 0.095 |
| Tritanopia (no blue cones) | #4B2637 | 0.071 |
| Achromatopsia (no color) | #303030 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1B58
#4B1B58
oklch(32.4% 0.113 318.4)
- #133F00
#133F00
oklch(32.4% 0.101 138.5)
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 #4B1B58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.035
- Grape Purple #5D1451 ΔE 0.042
- Deep Violet #490648 ΔE 0.043
- Royal Purple #4B006E ΔE 0.053
- Eggplant Purple #430541 ΔE 0.057
- Aubergine #3D0734 ΔE 0.079
- Indigo #4B0082 ΔE 0.080
- Dark Purple #35063E ΔE 0.080
Use #4B1B58 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.