#501F70
Closest named color: Royal Purple (#4B006E). oklch(35.5% 0.136 308.7), rgb(80, 31, 112).
Aa
White text reads best on this color (11.85:1).
About this color
#501F70 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.136 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.044 away. White text reads best on it, at 11.85:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.77:1 |
| White text | 11.85:1 |
Values
| HEX | #501F70 |
| RGB | rgb(80, 31, 112) |
| HSL | hsl(276, 57%, 28%) |
| OKLCH | oklch(35.5% 0.136 308.7) |
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 #501F70 | 11.85:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #501F70 | 1.77:1 | Fails | Lc 7.4 | Not readable |
| #501F70 text on white | 11.85:1 | AAA | Lc 96.5 | Preferred for body text |
| #501F70 text on black | 1.77:1 | 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 900.
-
Step 50
50
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#EFE5F9
oklch(93.6% 0.029 308.1)
-
Step 200
200
#E4D0F6
oklch(88.6% 0.056 308.9)
-
Step 300
300
#D4AFF3
oklch(81% 0.102 309)
-
Step 400
400
#BE81ED
oklch(70.7% 0.163 308.8)
-
Step 500
500
#AE5CE7
oklch(63.2% 0.208 308.8)
-
Step 600
600
#993BD5
oklch(55.6% 0.226 308.6)
-
Step 700
700
#832BB8
oklch(49.1% 0.21 308.9)
-
Step 800
800
#6A2695
oklch(42.6% 0.174 308.7)
-
Step 900
900 (this color)
#501F70
oklch(35.5% 0.136 308.7)
-
Step 950
950
#321746
oklch(26.9% 0.087 308.1)
#501F70 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) | #003572 | 0.114 |
| Deuteranopia (no green cones) | #0E386E | 0.109 |
| Tritanopia (no blue cones) | #4B3145 | 0.094 |
| Achromatopsia (no color) | #373737 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #501F70
#501F70
oklch(35.5% 0.136 308.7)
- #2C4400
#2C4400
oklch(35.3% 0.093 128.7)
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 #501F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.044
- Indigo #4B0082 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.063
- Plum Purple #4E0550 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.079
- Deep Violet #490648 ΔE 0.081
- Rich Purple #720058 ΔE 0.088
- Rebecca Purple #663399 ΔE 0.090
Use #501F70 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.