#4D1F73
Closest named color: Royal Purple (#4B006E). oklch(35.3% 0.138 305.4), rgb(77, 31, 115).
Aa
White text reads best on this color (11.93:1).
About this color
#4D1F73 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.138 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.043 away. White text reads best on it, at 11.93:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.75:1 |
| White text | 11.93:1 |
Values
| HEX | #4D1F73 |
| RGB | rgb(77, 31, 115) |
| HSL | hsl(273, 58%, 29%) |
| OKLCH | oklch(35.3% 0.138 305.4) |
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 #4D1F73 | 11.93:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #4D1F73 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #4D1F73 text on white | 11.93:1 | AAA | Lc 96.7 | Preferred for body text |
| #4D1F73 text on black | 1.75:1 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E2D0F8
oklch(88.5% 0.057 305.6)
-
Step 300
300
#D0B0F6
oklch(80.9% 0.102 305.1)
-
Step 400
400
#B982F2
oklch(70.6% 0.166 305.2)
-
Step 500
500
#A95DED
oklch(63.2% 0.212 305.5)
-
Step 600
600
#953CDB
oklch(55.7% 0.23 305.6)
-
Step 700
700
#7F2BBE
oklch(49.1% 0.214 305.6)
-
Step 800
800
#67279A
oklch(42.7% 0.177 305.4)
-
Step 900
900 (this color)
#4D1F73
oklch(35.3% 0.138 305.4)
-
Step 950
950
#311848
oklch(27.1% 0.088 305.3)
#4D1F73 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) | #003675 | 0.108 |
| Deuteranopia (no green cones) | #003771 | 0.110 |
| Tritanopia (no blue cones) | #463246 | 0.099 |
| Achromatopsia (no color) | #373737 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D1F73
#4D1F73
oklch(35.3% 0.138 305.4)
- #304300
#304300
oklch(35.3% 0.09 125.7)
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 #4D1F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.043
- Indigo #4B0082 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.071
- Plum Purple #4E0550 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.077
- Deep Violet #490648 ΔE 0.085
- Rebecca Purple #663399 ΔE 0.090
- Imperial Purple #480CA8 ΔE 0.092
Use #4D1F73 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.