#4E3976
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.101 297.5), rgb(78, 57, 118).
Aa
White text reads best on this color (9.67:1).
About this color
#4E3976 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.101 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #4E3976 |
| RGB | rgb(78, 57, 118) |
| HSL | hsl(261, 35%, 34%) |
| OKLCH | oklch(39.8% 0.101 297.5) |
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 #4E3976 | 9.67:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #4E3976 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #4E3976 text on white | 9.67:1 | AAA | Lc 92.2 | Preferred for body text |
| #4E3976 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C6B7EC
oklch(81% 0.075 297.7)
-
Step 400
400
#A98FE3
oklch(70.6% 0.123 297.4)
-
Step 500
500
#9571DA
oklch(63% 0.155 297.6)
-
Step 600
600
#8057C8
oklch(55.5% 0.169 297.3)
-
Step 700
700
#6D47AD
oklch(49.2% 0.157 297.5)
-
Step 800
800
#583B8C
oklch(42.7% 0.13 297.1)
-
Step 900
900 (this color)
#4E3976
oklch(39.8% 0.101 297.5)
-
Step 950
950
#2A1F41
oklch(27% 0.062 297)
#4E3976 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) | #244578 | 0.065 |
| Deuteranopia (no green cones) | #294475 | 0.060 |
| Tritanopia (no blue cones) | #454552 | 0.080 |
| Achromatopsia (no color) | #444444 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3976
#4E3976
oklch(39.8% 0.101 297.5)
- #444D00
#444D00
oklch(39.8% 0.092 117.2)
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 #4E3976, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.056
- Twilight #4E518B ΔE 0.069
- Rebecca Purple #663399 ΔE 0.074
- Dusk #4E5481 ΔE 0.075
- Cobalt #1E488F ΔE 0.078
- Twilight Blue #0A437A ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.086
Use #4E3976 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.