#4E3C7A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.6% 0.102 294.8), rgb(78, 60, 122).
Aa
White text reads best on this color (9.32:1).
About this color
#4E3C7A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.102 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.32:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #4E3C7A |
| RGB | rgb(78, 60, 122) |
| HSL | hsl(257, 34%, 36%) |
| OKLCH | oklch(40.6% 0.102 294.8) |
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 #4E3C7A | 9.32:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #4E3C7A | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #4E3C7A text on white | 9.32:1 | AAA | Lc 91.4 | Preferred for body text |
| #4E3C7A text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#DAD5ED
oklch(88.4% 0.033 295.3)
-
Step 300
300
#C3BAE4
oklch(81% 0.059 294.9)
-
Step 400
400
#A495D6
oklch(70.7% 0.095 294.4)
-
Step 500
500
#8F79CB
oklch(63% 0.122 295)
-
Step 600
600
#7A61B8
oklch(55.7% 0.132 295)
-
Step 700
700
#67509E
oklch(49.2% 0.122 295.1)
-
Step 800
800 (this color)
#4E3C7A
oklch(40.6% 0.102 294.8)
-
Step 900
900
#453867
oklch(37.7% 0.079 295.1)
-
Step 950
950
#28213C
oklch(26.9% 0.05 294.8)
#4E3C7A 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) | #26477C | 0.061 |
| Deuteranopia (no green cones) | #294679 | 0.058 |
| Tritanopia (no blue cones) | #444855 | 0.082 |
| Achromatopsia (no color) | #474747 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3C7A
#4E3C7A
oklch(40.6% 0.102 294.8)
- #484F00
#484F00
oklch(40.7% 0.093 115.5)
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 #4E3C7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.048
- Twilight #4E518B ΔE 0.060
- Dusk #4E5481 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.070
- Cobalt #1E488F ΔE 0.072
- Dusk Blue #26538D ΔE 0.078
- Twilight Blue #0A437A ΔE 0.080
Use #4E3C7A 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.