#4D387A
Closest named color: Dark Slate Blue (#483D8B). oklch(39.8% 0.108 295.8), rgb(77, 56, 122).
Aa
White text reads best on this color (9.71:1).
About this color
#4D387A is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.108 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 0.031 away. White text reads best on it, at 9.71:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #4D387A |
| RGB | rgb(77, 56, 122) |
| HSL | hsl(259, 37%, 35%) |
| OKLCH | oklch(39.8% 0.108 295.8) |
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 #4D387A | 9.71:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #4D387A | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #4D387A text on white | 9.71:1 | AAA | Lc 92.3 | Preferred for body text |
| #4D387A text on black | 2.16:1 | Fails | Lc -10.1 | 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
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DBD4F4
oklch(88.5% 0.044 295.5)
-
Step 300
300
#C5B6F0
oklch(80.9% 0.082 296.4)
-
Step 400
400
#A88FE8
oklch(70.8% 0.129 295.9)
-
Step 500
500
#9470E1
oklch(63.1% 0.166 296)
-
Step 600
600
#7F55CF
oklch(55.6% 0.181 295.8)
-
Step 700
700
#6B44B3
oklch(49% 0.168 295.7)
-
Step 800
800
#573991
oklch(42.6% 0.139 295.6)
-
Step 900
900 (this color)
#4D387A
oklch(39.8% 0.108 295.8)
-
Step 950
950
#2A1E44
oklch(27% 0.069 296)
#4D387A 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) | #1E457C | 0.070 |
| Deuteranopia (no green cones) | #234378 | 0.065 |
| Tritanopia (no blue cones) | #434553 | 0.086 |
| Achromatopsia (no color) | #444444 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D387A
#4D387A
oklch(39.8% 0.108 295.8)
- #454C00
#454C00
oklch(39.6% 0.09 115.7)
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 #4D387A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.031
- Blueberry #464196 ΔE 0.050
- Rebecca Purple #663399 ΔE 0.069
- Twilight #4E518B ΔE 0.070
- Cobalt #1E488F ΔE 0.076
- Dusk #4E5481 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.081
- Dusk Blue #26538D ΔE 0.086
Use #4D387A 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.