#4E3A77
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.101 296.7), rgb(78, 58, 119).
Aa
White text reads best on this color (9.56:1).
About this color
#4E3A77 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.101 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #4E3A77 |
| RGB | rgb(78, 58, 119) |
| HSL | hsl(260, 34%, 35%) |
| OKLCH | oklch(40.1% 0.101 296.7) |
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 #4E3A77 | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #4E3A77 | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #4E3A77 text on white | 9.56:1 | AAA | Lc 92.0 | Preferred for body text |
| #4E3A77 text on black | 2.19:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DBD4F2
oklch(88.5% 0.041 296.2)
-
Step 300
300
#C5B7EC
oklch(80.9% 0.075 296.8)
-
Step 400
400
#A890E3
oklch(70.7% 0.121 296.5)
-
Step 500
500
#9472DB
oklch(63.1% 0.155 296.6)
-
Step 600
600
#7F58C8
oklch(55.6% 0.168 296.6)
-
Step 700
700
#6C47AD
oklch(49.1% 0.157 297)
-
Step 800
800
#583B8C
oklch(42.7% 0.13 297.1)
-
Step 900
900 (this color)
#4E3A77
oklch(40.1% 0.101 296.7)
-
Step 950
950
#2A1F42
oklch(27.1% 0.064 296.4)
#4E3A77 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) | #254579 | 0.063 |
| Deuteranopia (no green cones) | #294476 | 0.059 |
| Tritanopia (no blue cones) | #454653 | 0.080 |
| Achromatopsia (no color) | #454545 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3A77
#4E3A77
oklch(40.1% 0.101 296.7)
- #454E00
#454E00
oklch(40.2% 0.093 117.1)
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 #4E3A77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.054
- Twilight #4E518B ΔE 0.066
- Dusk #4E5481 ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Cobalt #1E488F ΔE 0.077
- Twilight Blue #0A437A ΔE 0.081
- Dusk Blue #26538D ΔE 0.084
Use #4E3A77 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.