#4E4387
Closest named color: Dark Slate Blue (#483D8B). oklch(42.9% 0.109 288.3), rgb(78, 67, 135).
Aa
White text reads best on this color (8.47:1).
About this color
#4E4387 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.109 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.022 away. White text reads best on it, at 8.47:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #4E4387 |
| RGB | rgb(78, 67, 135) |
| HSL | hsl(250, 34%, 40%) |
| OKLCH | oklch(42.9% 0.109 288.3) |
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 #4E4387 | 8.47:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #4E4387 | 2.47:1 | Fails | Lc 15.0 | Not readable |
| #4E4387 text on white | 8.47:1 | AAA | Lc 89.0 | Fine for body text |
| #4E4387 text on black | 2.47:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE8
oklch(81% 0.063 288)
-
Step 400
400
#9E96DD
oklch(70.7% 0.103 288.6)
-
Step 500
500
#877BD3
oklch(63.2% 0.13 288.4)
-
Step 600
600
#7162C0
oklch(55.5% 0.142 288.2)
-
Step 700
700
#5F51A6
oklch(49.1% 0.132 288.1)
-
Step 800
800 (this color)
#4E4387
oklch(42.9% 0.109 288.3)
-
Step 900
900
#40396C
oklch(37.7% 0.085 287.9)
-
Step 950
950
#25223F
oklch(27.1% 0.053 287)
#4E4387 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) | #284E89 | 0.055 |
| Deuteranopia (no green cones) | #284B85 | 0.054 |
| Tritanopia (no blue cones) | #3E515E | 0.092 |
| Achromatopsia (no color) | #4D4D4D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E4387
#4E4387
oklch(42.9% 0.109 288.3)
- #545300
#545300
oklch(42.9% 0.093 109)
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 #4E4387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.022
- Blueberry #464196 ΔE 0.029
- Twilight #4E518B ΔE 0.038
- Dusk #4E5481 ΔE 0.051
- Cobalt #1E488F ΔE 0.061
- Dusk Blue #26538D ΔE 0.062
- Rebecca Purple #663399 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.068
Use #4E4387 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.