#4D3A83
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.118 292.4), rgb(77, 58, 131).
Aa
White text reads best on this color (9.33:1).
About this color
#4D3A83 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.118 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.016 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #4D3A83 |
| RGB | rgb(77, 58, 131) |
| HSL | hsl(256, 39%, 37%) |
| OKLCH | oklch(40.8% 0.118 292.4) |
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 #4D3A83 | 9.33:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #4D3A83 | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #4D3A83 text on white | 9.33:1 | AAA | Lc 91.3 | Preferred for body text |
| #4D3A83 text on black | 2.24:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5F1
oklch(88.5% 0.038 292.2)
-
Step 300
300
#C1B9EA
oklch(80.9% 0.069 292.3)
-
Step 400
400
#A293DF
oklch(70.6% 0.11 292.4)
-
Step 500
500
#8D77D7
oklch(63.1% 0.142 292.4)
-
Step 600
600
#785EC4
oklch(55.7% 0.153 292.5)
-
Step 700
700
#654DA9
oklch(49.2% 0.142 292.4)
-
Step 800
800 (this color)
#4D3A83
oklch(40.8% 0.118 292.4)
-
Step 900
900
#44376E
oklch(37.9% 0.092 292.3)
-
Step 950
950
#272040
oklch(26.9% 0.058 292.1)
#4D3A83 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) | #184885 | 0.072 |
| Deuteranopia (no green cones) | #1C4581 | 0.069 |
| Tritanopia (no blue cones) | #3F4958 | 0.096 |
| Achromatopsia (no color) | #474747 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3A83
#4D3A83
oklch(40.8% 0.118 292.4)
- #4B4E00
#4B4E00
oklch(40.7% 0.09 112.3)
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 #4D3A83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.016
- Blueberry #464196 ΔE 0.036
- Rebecca Purple #663399 ΔE 0.060
- Twilight #4E518B ΔE 0.062
- Cobalt #1E488F ΔE 0.069
- Dusk #4E5481 ΔE 0.073
- Dusk Blue #26538D ΔE 0.079
- Twilight Blue #0A437A ΔE 0.082
Use #4D3A83 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.