#4B1A57
Closest named color: Plum Purple (#4E0550). oklch(32.2% 0.113 319.2), rgb(75, 26, 87).
Aa
White text reads best on this color (13.25:1).
About this color
#4B1A57 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.113 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 0.033 away. White text reads best on it, at 13.25:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.58:1 |
| White text | 13.25:1 |
Values
| HEX | #4B1A57 |
| RGB | rgb(75, 26, 87) |
| HSL | hsl(288, 54%, 22%) |
| OKLCH | oklch(32.2% 0.113 319.2) |
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 #4B1A57 | 13.25:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #4B1A57 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #4B1A57 text on white | 13.25:1 | AAA | Lc 99.1 | Preferred for body text |
| #4B1A57 text on black | 1.58:1 | 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
#FBF2FD
oklch(97.1% 0.017 320.1)
-
Step 100
100
#F6E2FB
oklch(93.6% 0.04 319.5)
-
Step 200
200
#EFCAF9
oklch(88.5% 0.075 319)
-
Step 300
300
#E6A4F7
oklch(80.9% 0.133 319.3)
-
Step 400
400
#D86BF3
oklch(70.7% 0.215 319.3)
-
Step 500
500
#CB2FEE
oklch(63% 0.274 319.1)
-
Step 600
600
#B100D2
oklch(55.6% 0.268 319.3)
-
Step 700
700
#9500B2
oklch(49% 0.236 319)
-
Step 800
800
#7B0093
oklch(42.6% 0.206 319.1)
-
Step 900
900
#67037B
oklch(37.7% 0.179 319.2)
-
Step 950
950 (this color)
#4B1A57
oklch(32.2% 0.113 319.2)
#4B1A57 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) | #072C59 | 0.111 |
| Deuteranopia (no green cones) | #1E3156 | 0.095 |
| Tritanopia (no blue cones) | #4B2536 | 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°).
- #4B1A57
#4B1A57
oklch(32.2% 0.113 319.2)
- #113F00
#113F00
oklch(32.3% 0.102 139.1)
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 #4B1A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.033
- Deep Violet #490648 ΔE 0.040
- Grape Purple #5D1451 ΔE 0.041
- Royal Purple #4B006E ΔE 0.053
- Eggplant Purple #430541 ΔE 0.055
- Aubergine #3D0734 ΔE 0.077
- Dark Purple #35063E ΔE 0.078
- Deep Purple #36013F ΔE 0.080
Use #4B1A57 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.