#4E4288
Closest named color: Dark Slate Blue (#483D8B). oklch(42.7% 0.112 288.6), rgb(78, 66, 136).
Aa
White text reads best on this color (8.54:1).
About this color
#4E4288 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.112 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.019 away. White text reads best on it, at 8.54:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #4E4288 |
| RGB | rgb(78, 66, 136) |
| HSL | hsl(250, 35%, 40%) |
| OKLCH | oklch(42.7% 0.112 288.6) |
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 #4E4288 | 8.54:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #4E4288 | 2.45:1 | Fails | Lc 14.8 | Not readable |
| #4E4288 text on white | 8.54:1 | AAA | Lc 89.2 | Fine for body text |
| #4E4288 text on black | 2.45:1 | Fails | Lc -13.0 | 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 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
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BEBAE9
oklch(80.8% 0.066 288.7)
-
Step 400
400
#9E96DE
oklch(70.8% 0.104 288.5)
-
Step 500
500
#877AD5
oklch(63.1% 0.134 288.5)
-
Step 600
600
#7261C2
oklch(55.5% 0.146 288.8)
-
Step 700
700
#6050A8
oklch(49.2% 0.136 288.7)
-
Step 800
800 (this color)
#4E4288
oklch(42.7% 0.112 288.6)
-
Step 900
900
#40386D
oklch(37.6% 0.088 288.3)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#4E4288 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) | #254E8A | 0.059 |
| Deuteranopia (no green cones) | #254B86 | 0.057 |
| Tritanopia (no blue cones) | #3E505E | 0.093 |
| Achromatopsia (no color) | #4C4C4C | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E4288
#4E4288
oklch(42.7% 0.112 288.6)
- #545200
#545200
oklch(42.7% 0.092 108.1)
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 #4E4288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.019
- Blueberry #464196 ΔE 0.027
- Twilight #4E518B ΔE 0.041
- Dusk #4E5481 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.060
- Cobalt #1E488F ΔE 0.062
- Dusk Blue #26538D ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.070
Use #4E4288 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.