#4B1858
Closest named color: Plum Purple (#4E0550). oklch(32.1% 0.118 318.8), rgb(75, 24, 88).
Aa
White text reads best on this color (13.36:1).
About this color
#4B1858 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.118 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.030 away. White text reads best on it, at 13.36:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.57:1 |
| White text | 13.36:1 |
Values
| HEX | #4B1858 |
| RGB | rgb(75, 24, 88) |
| HSL | hsl(288, 57%, 22%) |
| OKLCH | oklch(32.1% 0.118 318.8) |
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 #4B1858 | 13.36:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #4B1858 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #4B1858 text on white | 13.36:1 | AAA | Lc 99.2 | Preferred for body text |
| #4B1858 text on black | 1.57:1 | 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 950.
-
Step 50
50
#FBF2FE
oklch(97.2% 0.018 317.7)
-
Step 100
100
#F6E2FB
oklch(93.6% 0.04 319.5)
-
Step 200
200
#F0C9FA
oklch(88.4% 0.078 319.3)
-
Step 300
300
#E7A3FA
oklch(81% 0.139 318.7)
-
Step 400
400
#D968F7
oklch(70.7% 0.223 318.7)
-
Step 500
500
#CD26F3
oklch(63.1% 0.285 318.8)
-
Step 600
600
#B100D3
oklch(55.7% 0.268 319)
-
Step 700
700
#9500B3
oklch(49.1% 0.237 318.7)
-
Step 800
800
#7B0094
oklch(42.7% 0.206 318.8)
-
Step 900
900
#67007D
oklch(37.7% 0.182 318.5)
-
Step 950
950 (this color)
#4B1858
oklch(32.1% 0.118 318.8)
#4B1858 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) | #012C5A | 0.117 |
| Deuteranopia (no green cones) | #1C3156 | 0.100 |
| Tritanopia (no blue cones) | #4B2436 | 0.073 |
| Achromatopsia (no color) | #2F2F2F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1858
#4B1858
oklch(32.1% 0.118 318.8)
- #123E00
#123E00
oklch(32% 0.1 138.7)
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 #4B1858, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.030
- Deep Violet #490648 ΔE 0.039
- Grape Purple #5D1451 ΔE 0.042
- Royal Purple #4B006E ΔE 0.049
- Eggplant Purple #430541 ΔE 0.054
- Aubergine #3D0734 ΔE 0.077
- Dark Purple #35063E ΔE 0.077
- Indigo #4B0082 ΔE 0.078
Use #4B1858 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.