#4E478C
Closest named color: Twilight (#4E518B). oklch(44% 0.11 285.5), rgb(78, 71, 140).
Aa
White text reads best on this color (8.06:1).
About this color
#4E478C is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.110 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.028 away. White text reads best on it, at 8.06:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #4E478C |
| RGB | rgb(78, 71, 140) |
| HSL | hsl(246, 33%, 41%) |
| OKLCH | oklch(44% 0.11 285.5) |
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 #4E478C | 8.06:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #4E478C | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #4E478C text on white | 8.06:1 | AAA | Lc 87.8 | Fine for body text |
| #4E478C text on black | 2.60:1 | Fails | Lc -14.4 | 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
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BCBBE9
oklch(80.8% 0.065 285.9)
-
Step 400
400
#9A97DE
oklch(70.6% 0.103 285.4)
-
Step 500
500
#837CD5
oklch(63.1% 0.131 285.6)
-
Step 600
600
#6D63C2
oklch(55.5% 0.143 285.5)
-
Step 700
700
#5C52A8
oklch(49.2% 0.133 285.7)
-
Step 800
800 (this color)
#4E478C
oklch(44% 0.11 285.5)
-
Step 900
900
#3E396D
oklch(37.6% 0.087 285.8)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#4E478C 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) | #2B528E | 0.051 |
| Deuteranopia (no green cones) | #294E8A | 0.050 |
| Tritanopia (no blue cones) | #3B5563 | 0.093 |
| Achromatopsia (no color) | #505050 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E478C
#4E478C
oklch(44% 0.11 285.5)
- #5A5500
#5A5500
oklch(44% 0.094 105.7)
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 #4E478C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.028
- Blueberry #464196 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.029
- Dusk #4E5481 ΔE 0.044
- Dusk Blue #26538D ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.057
- Cobalt #1E488F ΔE 0.060
- Rebecca Purple #663399 ΔE 0.065
Use #4E478C 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.