#4D366B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.09 302.4), rgb(77, 54, 107).
Aa
White text reads best on this color (10.21:1).
About this color
#4D366B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.090 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.21:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #4D366B |
| RGB | rgb(77, 54, 107) |
| HSL | hsl(266, 33%, 32%) |
| OKLCH | oklch(38.4% 0.09 302.4) |
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 #4D366B | 10.21:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4D366B | 2.05:1 | Fails | Lc 10.4 | Not readable |
| #4D366B text on white | 10.21:1 | AAA | Lc 93.6 | Preferred for body text |
| #4D366B text on black | 2.05:1 | Fails | Lc -8.9 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED4EE
oklch(88.6% 0.037 303.1)
-
Step 300
300
#C9B7E6
oklch(81% 0.068 302.4)
-
Step 400
400
#AE90D9
oklch(70.8% 0.109 302.6)
-
Step 500
500
#9A73CE
oklch(63.2% 0.138 302.4)
-
Step 600
600
#8559BB
oklch(55.6% 0.151 302.5)
-
Step 700
700
#7149A1
oklch(49.2% 0.139 302.6)
-
Step 800
800
#5C3C83
oklch(42.7% 0.117 302.6)
-
Step 900
900 (this color)
#4D366B
oklch(38.4% 0.09 302.4)
-
Step 950
950
#2C1F3D
oklch(27% 0.056 302.8)
#4D366B 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) | #27416D | 0.063 |
| Deuteranopia (no green cones) | #2C416A | 0.058 |
| Tritanopia (no blue cones) | #483F4B | 0.068 |
| Achromatopsia (no color) | #414141 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D366B
#4D366B
oklch(38.4% 0.09 302.4)
- #3B4B05
#3B4B05
oklch(38.5% 0.091 122.8)
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 #4D366B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Blueberry #464196 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.080
- Grape Purple #5D1451 ΔE 0.083
- Twilight #4E518B ΔE 0.084
- Twilight Blue #0A437A ΔE 0.085
- Prussian Blue #1D3557 ΔE 0.086
- Dusk #4E5481 ΔE 0.086
Use #4D366B 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.