#4B1057
Closest named color: Plum Purple (#4E0550). oklch(31.1% 0.127 320.2), rgb(75, 16, 87).
Aa
White text reads best on this color (13.89:1).
About this color
#4B1057 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.127 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.019 away. White text reads best on it, at 13.89:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.51:1 |
| White text | 13.89:1 |
Values
| HEX | #4B1057 |
| RGB | rgb(75, 16, 87) |
| HSL | hsl(290, 69%, 20%) |
| OKLCH | oklch(31.1% 0.127 320.2) |
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 #4B1057 | 13.89:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #4B1057 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #4B1057 text on white | 13.89:1 | AAA | Lc 99.7 | Preferred for body text |
| #4B1057 text on black | 1.51:1 | 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
#FCF1FE
oklch(97% 0.021 321)
-
Step 100
100
#F7E1FC
oklch(93.5% 0.043 320)
-
Step 200
200
#F2C8FC
oklch(88.5% 0.083 319.7)
-
Step 300
300
#EB9FFC
oklch(80.8% 0.15 320.1)
-
Step 400
400
#DF60FB
oklch(70.7% 0.24 320)
-
Step 500
500
#D300F6
oklch(63.1% 0.303 320.1)
-
Step 600
600
#B200D0
oklch(55.6% 0.267 320.1)
-
Step 700
700
#9700B0
oklch(49.2% 0.236 320.3)
-
Step 800
800
#7C0091
oklch(42.6% 0.204 320.3)
-
Step 900
900
#68007A
oklch(37.6% 0.18 320.2)
-
Step 950
950 (this color)
#4B1057
oklch(31.1% 0.127 320.2)
#4B1057 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) | #002859 | 0.125 |
| Deuteranopia (no green cones) | #172E55 | 0.111 |
| Tritanopia (no blue cones) | #4B1F33 | 0.078 |
| Achromatopsia (no color) | #2C2C2C | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1057
#4B1057
oklch(31.1% 0.127 320.2)
- #0C3C00
#0C3C00
oklch(31.2% 0.101 140.1)
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 #4B1057, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.019
- Deep Violet #490648 ΔE 0.030
- Royal Purple #4B006E ΔE 0.044
- Grape Purple #5D1451 ΔE 0.046
- Eggplant Purple #430541 ΔE 0.046
- Dark Purple #35063E ΔE 0.070
- Deep Purple #36013F ΔE 0.070
- Aubergine #3D0734 ΔE 0.071
Use #4B1057 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.