#4D2780
Closest named color: Indigo (#4B0082). oklch(37.4% 0.143 298.9), rgb(77, 39, 128).
Aa
White text reads best on this color (10.95:1).
About this color
#4D2780 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.143 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.052 away. White text reads best on it, at 10.95:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #4D2780 |
| RGB | rgb(77, 39, 128) |
| HSL | hsl(266, 53%, 33%) |
| OKLCH | oklch(37.4% 0.143 298.9) |
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 #4D2780 | 10.95:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #4D2780 | 1.91:1 | Fails | Lc 9.1 | Not readable |
| #4D2780 text on white | 10.95:1 | AAA | Lc 94.8 | Preferred for body text |
| #4D2780 text on black | 1.91:1 | Fails | Lc -7.8 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DED1FC
oklch(88.5% 0.06 299)
-
Step 300
300
#CAB1FC
oklch(80.8% 0.107 299.3)
-
Step 400
400
#B085FB
oklch(70.7% 0.171 298.8)
-
Step 500
500
#9E60F8
oklch(63.1% 0.218 298.8)
-
Step 600
600
#8A3EE7
oklch(55.5% 0.238 298.8)
-
Step 700
700
#762EC9
oklch(49.2% 0.221 298.9)
-
Step 800
800
#6028A2
oklch(42.7% 0.183 299.3)
-
Step 900
900 (this color)
#4D2780
oklch(37.4% 0.143 298.9)
-
Step 950
950
#2D194B
oklch(27% 0.089 298.7)
#4D2780 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) | #003C83 | 0.098 |
| Deuteranopia (no green cones) | #003C7E | 0.099 |
| Tritanopia (no blue cones) | #413C50 | 0.108 |
| Achromatopsia (no color) | #3C3C3C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D2780
#4D2780
oklch(37.4% 0.143 298.9)
- #3C4700
#3C4700
oklch(37.5% 0.088 119.2)
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 #4D2780, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.053
- Royal Purple #4B006E ΔE 0.065
- Blueberry #464196 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.079
- Grape Purple #5D1451 ΔE 0.092
Use #4D2780 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.