#4E287A
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.134 301.5), rgb(78, 40, 122).
Aa
White text reads best on this color (11.00:1).
About this color
#4E287A is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.134 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 11.00:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #4E287A |
| RGB | rgb(78, 40, 122) |
| HSL | hsl(268, 51%, 32%) |
| OKLCH | oklch(37.2% 0.134 301.5) |
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 #4E287A | 11.00:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #4E287A | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #4E287A text on white | 11.00:1 | AAA | Lc 95.0 | Preferred for body text |
| #4E287A text on black | 1.90:1 | Fails | Lc -7.7 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FB
oklch(93.7% 0.029 301)
-
Step 200
200
#DFD1F9
oklch(88.5% 0.056 301.2)
-
Step 300
300
#CCB2F7
oklch(81% 0.099 301.5)
-
Step 400
400
#B386F3
oklch(70.8% 0.159 301.5)
-
Step 500
500
#A162EF
oklch(63.1% 0.205 301.3)
-
Step 600
600
#8D42DD
oklch(55.5% 0.223 301.5)
-
Step 700
700
#7832C0
oklch(49.1% 0.208 301.4)
-
Step 800
800
#622C9B
oklch(42.8% 0.171 301.7)
-
Step 900
900 (this color)
#4E287A
oklch(37.2% 0.134 301.5)
-
Step 950
950
#2E1948
oklch(26.9% 0.085 301.5)
#4E287A 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) | #003C7D | 0.101 |
| Deuteranopia (no green cones) | #063C78 | 0.099 |
| Tritanopia (no blue cones) | #453A4D | 0.100 |
| Achromatopsia (no color) | #3C3C3C | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E287A
#4E287A
oklch(37.2% 0.134 301.5)
- #394700
#394700
oklch(37.2% 0.09 121.5)
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 #4E287A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Indigo #4B0082 ΔE 0.056
- Royal Purple #4B006E ΔE 0.063
- Blueberry #464196 ΔE 0.073
- Rebecca Purple #663399 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.085
- Chrysanthemum #560BAD ΔE 0.089
Use #4E287A 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.