#4D3769
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.086 302.9), rgb(77, 55, 105).
Aa
White text reads best on this color (10.16:1).
About this color
#4D3769 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.086 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 10.16:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.16:1 |
Values
| HEX | #4D3769 |
| RGB | rgb(77, 55, 105) |
| HSL | hsl(266, 31%, 31%) |
| OKLCH | oklch(38.5% 0.086 302.9) |
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 #4D3769 | 10.16:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4D3769 | 2.06:1 | Fails | Lc 10.5 | Not readable |
| #4D3769 text on white | 10.16:1 | AAA | Lc 93.5 | Preferred for body text |
| #4D3769 text on black | 2.06:1 | Fails | Lc -9.0 | 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 900.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4ED
oklch(88.6% 0.036 303.8)
-
Step 300
300
#C9B7E3
oklch(80.9% 0.064 303.6)
-
Step 400
400
#AD91D6
oklch(70.7% 0.103 302.5)
-
Step 500
500
#9A74CA
oklch(63.1% 0.131 303.2)
-
Step 600
600
#855BB7
oklch(55.6% 0.143 303.2)
-
Step 700
700
#704A9E
oklch(49% 0.133 302.7)
-
Step 800
800
#5B3D80
oklch(42.6% 0.111 302.6)
-
Step 900
900 (this color)
#4D3769
oklch(38.5% 0.086 302.9)
-
Step 950
950
#2C1F3C
oklch(27% 0.055 303.6)
#4D3769 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) | #29416B | 0.060 |
| Deuteranopia (no green cones) | #2F4168 | 0.054 |
| Tritanopia (no blue cones) | #48404B | 0.065 |
| Achromatopsia (no color) | #414141 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3769
#4D3769
oklch(38.5% 0.086 302.9)
- #3B4B0D
#3B4B0D
oklch(38.6% 0.086 123.4)
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 #4D3769, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.076
- Blueberry #464196 ΔE 0.077
- Twilight #4E518B ΔE 0.083
- Grape Purple #5D1451 ΔE 0.084
- Prussian Blue #1D3557 ΔE 0.084
- Dusk #4E5481 ΔE 0.084
- Twilight Blue #0A437A ΔE 0.085
Use #4D3769 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.