#521740
Closest named color: Grape Purple (#5D1451). oklch(31.6% 0.101 342), rgb(82, 23, 64).
Aa
White text reads best on this color (13.50:1).
About this color
#521740 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.101 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.038 away. White text reads best on it, at 13.50:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.55:1 |
| White text | 13.50:1 |
Values
| HEX | #521740 |
| RGB | rgb(82, 23, 64) |
| HSL | hsl(318, 56%, 21%) |
| OKLCH | oklch(31.6% 0.101 342) |
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 #521740 | 13.50:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #521740 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #521740 text on white | 13.50:1 | AAA | Lc 99.4 | Preferred for body text |
| #521740 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
#FEF1F8
oklch(97% 0.017 343.6)
-
Step 100
100
#FBE1F0
oklch(93.5% 0.034 342.2)
-
Step 200
200
#F9C8E6
oklch(88.4% 0.067 341.3)
-
Step 300
300
#F6A1D6
oklch(80.9% 0.12 342.2)
-
Step 400
400
#ED68C2
oklch(70.8% 0.192 341.9)
-
Step 500
500
#E32DB2
oklch(63.1% 0.245 341.9)
-
Step 600
600
#C60099
oklch(55.5% 0.239 342)
-
Step 700
700
#A80081
oklch(49.1% 0.211 342.1)
-
Step 800
800
#8B006A
oklch(42.7% 0.184 342.2)
-
Step 900
900
#740359
oklch(37.7% 0.16 341.7)
-
Step 950
950 (this color)
#521740
oklch(31.6% 0.101 342)
#521740 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) | #1C2841 | 0.110 |
| Deuteranopia (no green cones) | #2D323F | 0.097 |
| Tritanopia (no blue cones) | #571829 | 0.044 |
| Achromatopsia (no color) | #2E2E2E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521740
#521740
oklch(31.6% 0.101 342)
- #003C27
#003C27
oklch(31.5% 0.068 162.6)
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 #521740, closest first.
No curated palette has a color within ΔE 0.04 of #521740.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.038
- Deep Violet #490648 ΔE 0.043
- Plum Purple #4E0550 ΔE 0.046
- Eggplant Purple #430541 ΔE 0.052
- Burgundy #610023 ΔE 0.059
- Aubergine #3D0734 ΔE 0.063
- Dark Plum #3F012C ΔE 0.070
- Eggplant #380835 ΔE 0.073
Use #521740 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.