#57005B
Closest named color: Plum Purple (#4E0550). oklch(32.3% 0.15 326.1), rgb(87, 0, 91).
Aa
White text reads best on this color (13.49:1).
About this color
#57005B is a dark, vivid purple. In OKLCH its lightness is 32%, its chroma 0.150 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.027 away. White text reads best on it, at 13.49:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.55:1 |
| White text | 13.49:1 |
Values
| HEX | #57005B |
| RGB | rgb(87, 0, 91) |
| HSL | hsl(297, 100%, 18%) |
| OKLCH | oklch(32.3% 0.15 326.1) |
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 #57005B | 13.49:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #57005B | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #57005B text on white | 13.49:1 | AAA | Lc 98.3 | Preferred for body text |
| #57005B text on black | 1.55:1 | 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
#FEF0FE
oklch(97% 0.024 325.8)
-
Step 100
100
#FDDFFD
oklch(93.7% 0.051 326)
-
Step 200
200
#FCC3FC
oklch(88.6% 0.098 326.4)
-
Step 300
300
#FB94FD
oklch(80.9% 0.178 326.4)
-
Step 400
400
#F441FC
oklch(70.7% 0.285 326.2)
-
Step 500
500
#DB00E4
oklch(63.1% 0.293 326.2)
-
Step 600
600
#B900C1
oklch(55.6% 0.259 326.1)
-
Step 700
700
#9C00A3
oklch(49.1% 0.228 326)
-
Step 800
800
#810087
oklch(42.7% 0.199 326)
-
Step 900
900
#6C0071
oklch(37.6% 0.175 326.1)
-
Step 950
950 (this color)
#57005B
oklch(32.3% 0.15 326.1)
#57005B 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) | #00285D | 0.153 |
| Deuteranopia (no green cones) | #1B3259 | 0.138 |
| Tritanopia (no blue cones) | #591632 | 0.085 |
| Achromatopsia (no color) | #2E2E2E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57005B
#57005B
oklch(32.3% 0.15 326.1)
- #00400F
#00400F
oklch(32.3% 0.099 146)
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 #57005B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.027
- Grape Purple #5D1451 ΔE 0.037
- Deep Violet #490648 ΔE 0.045
- Royal Purple #4B006E ΔE 0.046
- Eggplant Purple #430541 ΔE 0.063
- Rich Purple #720058 ΔE 0.064
- Velvet #750851 ΔE 0.077
- Indigo #4B0082 ΔE 0.077
Use #57005B 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.