#521B40
Closest named color: Grape Purple (#5D1451). oklch(32.1% 0.095 342.6), rgb(82, 27, 64).
Aa
White text reads best on this color (13.21:1).
About this color
#521B40 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.095 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.040 away. White text reads best on it, at 13.21:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.58:1 |
| White text | 13.21:1 |
Values
| HEX | #521B40 |
| RGB | rgb(82, 27, 64) |
| HSL | hsl(320, 50%, 21%) |
| OKLCH | oklch(32.1% 0.095 342.6) |
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 #521B40 | 13.21:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #521B40 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #521B40 text on white | 13.21:1 | AAA | Lc 99.0 | Preferred for body text |
| #521B40 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
#FDF2F8
oklch(97.1% 0.014 343.2)
-
Step 100
100
#FAE2F0
oklch(93.6% 0.032 341.8)
-
Step 200
200
#F8C9E4
oklch(88.5% 0.063 343.1)
-
Step 300
300
#F3A3D4
oklch(80.8% 0.112 342.5)
-
Step 400
400
#E96CBE
oklch(70.6% 0.18 342.6)
-
Step 500
500
#DF39AE
oklch(63.1% 0.23 342.6)
-
Step 600
600
#C70098
oklch(55.6% 0.239 342.6)
-
Step 700
700
#A80080
oklch(49.1% 0.211 342.5)
-
Step 800
800
#8B0069
oklch(42.7% 0.183 342.7)
-
Step 900
900
#720E56
oklch(37.7% 0.15 342.9)
-
Step 950
950 (this color)
#521B40
oklch(32.1% 0.095 342.6)
#521B40 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) | #1F2A41 | 0.103 |
| Deuteranopia (no green cones) | #2F333F | 0.091 |
| Tritanopia (no blue cones) | #571B2A | 0.041 |
| Achromatopsia (no color) | #303030 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521B40
#521B40
oklch(32.1% 0.095 342.6)
- #003E28
#003E28
oklch(32.2% 0.07 162.2)
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 #521B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.040
- Deep Violet #490648 ΔE 0.050
- Plum Purple #4E0550 ΔE 0.053
- Eggplant Purple #430541 ΔE 0.059
- Burgundy #610023 ΔE 0.060
- Aubergine #3D0734 ΔE 0.069
- Merlot #730039 ΔE 0.073
- Dark Plum #3F012C ΔE 0.075
Use #521B40 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.