#4E4781
Closest named color: Twilight (#4E518B). oklch(43.3% 0.094 287.3), rgb(78, 71, 129).
Aa
White text reads best on this color (8.26:1).
About this color
#4E4781 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.094 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.030 away. White text reads best on it, at 8.26:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #4E4781 |
| RGB | rgb(78, 71, 129) |
| HSL | hsl(247, 29%, 39%) |
| OKLCH | oklch(43.3% 0.094 287.3) |
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 #4E4781 | 8.26:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #4E4781 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #4E4781 text on white | 8.26:1 | AAA | Lc 88.4 | Fine for body text |
| #4E4781 text on black | 2.54:1 | Fails | Lc -13.7 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D7D6ED
oklch(88.4% 0.031 287.7)
-
Step 300
300
#BEBCE3
oklch(81% 0.055 287.5)
-
Step 400
400
#9D98D5
oklch(70.7% 0.088 287.7)
-
Step 500
500
#867ECA
oklch(63.2% 0.113 287.5)
-
Step 600
600
#7066B6
oklch(55.6% 0.122 287.5)
-
Step 700
700
#5E549D
oklch(49% 0.114 287.7)
-
Step 800
800 (this color)
#4E4781
oklch(43.3% 0.094 287.3)
-
Step 900
900
#3F3B66
oklch(37.7% 0.072 286.6)
-
Step 950
950
#25233C
oklch(27.1% 0.046 286.6)
#4E4781 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) | #335083 | 0.042 |
| Deuteranopia (no green cones) | #324D80 | 0.041 |
| Tritanopia (no blue cones) | #40525D | 0.080 |
| Achromatopsia (no color) | #4E4E4E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E4781
#4E4781
oklch(43.3% 0.094 287.3)
- #565300
#565300
oklch(43.1% 0.093 107.3)
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 #4E4781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.036
- Dusk #4E5481 ΔE 0.037
- Blueberry #464196 ΔE 0.043
- Dusty Grape #545775 ΔE 0.057
- Dusk Blue #26538D ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.063
Use #4E4781 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.