#4E397C
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.11 295.5), rgb(78, 57, 124).
Aa
White text reads best on this color (9.54:1).
About this color
#4E397C is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.110 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #4E397C |
| RGB | rgb(78, 57, 124) |
| HSL | hsl(259, 37%, 35%) |
| OKLCH | oklch(40.2% 0.11 295.5) |
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 #4E397C | 9.54:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #4E397C | 2.20:1 | Fails | Lc 12.1 | Not readable |
| #4E397C text on white | 9.54:1 | AAA | Lc 91.9 | Preferred for body text |
| #4E397C text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C3B9E6
oklch(80.9% 0.064 295.1)
-
Step 400
400
#A693DA
oklch(70.7% 0.104 295.9)
-
Step 500
500
#9077CF
oklch(63% 0.131 295.5)
-
Step 600
600
#7B5FBC
oklch(55.6% 0.141 295.3)
-
Step 700
700
#684DA2
oklch(49% 0.133 295.8)
-
Step 800
800 (this color)
#4E397C
oklch(40.2% 0.11 295.5)
-
Step 900
900
#46376A
oklch(37.8% 0.086 295.6)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#4E397C 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) | #1F467E | 0.070 |
| Deuteranopia (no green cones) | #24447A | 0.065 |
| Tritanopia (no blue cones) | #434655 | 0.086 |
| Achromatopsia (no color) | #454545 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E397C
#4E397C
oklch(40.2% 0.11 295.5)
- #474E00
#474E00
oklch(40.4% 0.092 115.5)
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 #4E397C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.047
- Twilight #4E518B ΔE 0.066
- Rebecca Purple #663399 ΔE 0.066
- Cobalt #1E488F ΔE 0.074
- Dusk #4E5481 ΔE 0.074
- Twilight Blue #0A437A ΔE 0.082
- Dusk Blue #26538D ΔE 0.083
Use #4E397C 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.