#4E2A7F
Closest named color: Dark Slate Blue (#483D8B). oklch(37.9% 0.137 299.2), rgb(78, 42, 127).
Aa
White text reads best on this color (10.70:1).
About this color
#4E2A7F is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.137 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.70:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.96:1 |
| White text | 10.70:1 |
Values
| HEX | #4E2A7F |
| RGB | rgb(78, 42, 127) |
| HSL | hsl(265, 50%, 33%) |
| OKLCH | oklch(37.9% 0.137 299.2) |
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 #4E2A7F | 10.70:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #4E2A7F | 1.96:1 | Fails | Lc 9.6 | Not readable |
| #4E2A7F text on white | 10.70:1 | AAA | Lc 94.3 | Preferred for body text |
| #4E2A7F text on black | 1.96:1 | Fails | Lc -8.2 | 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
#DED1FA
oklch(88.4% 0.057 299.7)
-
Step 300
300
#CAB2FA
oklch(80.9% 0.103 299.4)
-
Step 400
400
#B086F8
oklch(70.7% 0.165 299.1)
-
Step 500
500
#9E62F4
oklch(63.1% 0.21 299.2)
-
Step 600
600
#8A42E3
oklch(55.7% 0.229 299.2)
-
Step 700
700
#7532C5
oklch(49.1% 0.212 299)
-
Step 800
800
#5F2B9F
oklch(42.6% 0.176 299.2)
-
Step 900
900 (this color)
#4E2A7F
oklch(37.9% 0.137 299.2)
-
Step 950
950
#2D194A
oklch(26.9% 0.088 299.2)
#4E2A7F 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) | #003E82 | 0.098 |
| Deuteranopia (no green cones) | #003D7D | 0.099 |
| Tritanopia (no blue cones) | #433D50 | 0.104 |
| Achromatopsia (no color) | #3E3E3E | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2A7F
#4E2A7F
oklch(37.9% 0.137 299.2)
- #3D4800
#3D4800
oklch(37.8% 0.089 119.1)
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 #4E2A7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Indigo #4B0082 ΔE 0.058
- Blueberry #464196 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.066
- Royal Purple #4B006E ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.083
- Grape Purple #5D1451 ΔE 0.091
Use #4E2A7F 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.