#4E4E91
Closest named color: Twilight (#4E518B). oklch(45.7% 0.107 281.3), rgb(78, 78, 145).
Aa
White text reads best on this color (7.44:1).
About this color
#4E4E91 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.107 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.014 away. White text reads best on it, at 7.44:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.82:1 |
| White text | 7.44:1 |
Values
| HEX | #4E4E91 |
| RGB | rgb(78, 78, 145) |
| HSL | hsl(240, 30%, 44%) |
| OKLCH | oklch(45.7% 0.107 281.3) |
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 #4E4E91 | 7.44:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #4E4E91 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #4E4E91 text on white | 7.44:1 | AAA | Lc 85.7 | Fine for body text |
| #4E4E91 text on black | 2.82:1 | Fails | Lc -16.3 | Dividers and decoration only |
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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#B9BDE9
oklch(81% 0.062 280.8)
-
Step 400
400
#9699DE
oklch(70.7% 0.1 281.6)
-
Step 500
500
#7D7ED5
oklch(63% 0.129 281.5)
-
Step 600
600
#6766C2
oklch(55.6% 0.14 281.3)
-
Step 700
700
#5654A7
oklch(49% 0.13 281.6)
-
Step 800
800 (this color)
#4E4E91
oklch(45.7% 0.107 281.3)
-
Step 900
900
#3B3B6D
oklch(37.8% 0.084 281.6)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#4E4E91 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) | #345893 | 0.040 |
| Deuteranopia (no green cones) | #30538F | 0.040 |
| Tritanopia (no blue cones) | #385C68 | 0.093 |
| Achromatopsia (no color) | #555555 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E4E91
#4E4E91
oklch(45.7% 0.107 281.3)
- #635800
#635800
oklch(45.7% 0.095 101)
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 #4E4E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.014
- Dusk #4E5481 ΔE 0.034
- Blueberry #464196 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.047
- Dusk Blue #26538D ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.054
Use #4E4E91 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.