#4D387E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.114 294.5), rgb(77, 56, 126).
Aa
White text reads best on this color (9.62:1).
About this color
#4D387E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.114 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 0.025 away. White text reads best on it, at 9.62:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #4D387E |
| RGB | rgb(77, 56, 126) |
| HSL | hsl(258, 38%, 36%) |
| OKLCH | oklch(40.1% 0.114 294.5) |
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 #4D387E | 9.62:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #4D387E | 2.18:1 | Fails | Lc 11.9 | Not readable |
| #4D387E text on white | 9.62:1 | AAA | Lc 92.1 | Preferred for body text |
| #4D387E text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C4B6F3
oklch(80.9% 0.086 294.9)
-
Step 400
400
#A78EED
oklch(70.7% 0.137 294.7)
-
Step 500
500
#926FE7
oklch(63.1% 0.175 294.3)
-
Step 600
600
#7E53D5
oklch(55.6% 0.191 294.6)
-
Step 700
700
#6A43B8
oklch(49.1% 0.176 294.3)
-
Step 800
800
#563895
oklch(42.7% 0.146 294.2)
-
Step 900
900 (this color)
#4D387E
oklch(40.1% 0.114 294.5)
-
Step 950
950
#291E46
oklch(27.1% 0.072 293.7)
#4D387E 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) | #1A4580 | 0.072 |
| Deuteranopia (no green cones) | #1F447C | 0.069 |
| Tritanopia (no blue cones) | #414655 | 0.091 |
| Achromatopsia (no color) | #454545 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D387E
#4D387E
oklch(40.1% 0.114 294.5)
- #474D00
#474D00
oklch(40.1% 0.091 114.8)
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 #4D387E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.045
- Rebecca Purple #663399 ΔE 0.064
- Twilight #4E518B ΔE 0.068
- Cobalt #1E488F ΔE 0.073
- Dusk #4E5481 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.082
- Dusk Blue #26538D ΔE 0.084
Use #4D387E 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.