#4B3769
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.085 300.9), rgb(75, 55, 105).
Aa
White text reads best on this color (10.24:1).
About this color
#4B3769 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.085 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 10.24:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.24:1 |
Values
| HEX | #4B3769 |
| RGB | rgb(75, 55, 105) |
| HSL | hsl(264, 31%, 31%) |
| OKLCH | oklch(38.3% 0.085 300.9) |
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 #4B3769 | 10.24:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4B3769 | 2.04:1 | Fails | Lc 10.3 | Not readable |
| #4B3769 text on white | 10.24:1 | AAA | Lc 93.7 | Preferred for body text |
| #4B3769 text on black | 2.04:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DDD4ED
oklch(88.5% 0.035 302)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AB92D7
oklch(70.8% 0.102 300.5)
-
Step 500
500
#9775CC
oklch(63.1% 0.131 300.7)
-
Step 600
600
#825CB8
oklch(55.6% 0.142 301)
-
Step 700
700
#6E4B9F
oklch(49.1% 0.133 300.9)
-
Step 800
800
#5A3E81
oklch(42.7% 0.11 301.2)
-
Step 900
900 (this color)
#4B3769
oklch(38.3% 0.085 300.9)
-
Step 950
950
#2B203D
oklch(27.1% 0.054 300.3)
#4B3769 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 | 0.057 |
| Deuteranopia (no green cones) | #2D4168 | 0.053 |
| Tritanopia (no blue cones) | #45404B | 0.066 |
| Achromatopsia (no color) | #414141 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3769
#4B3769
oklch(38.3% 0.085 300.9)
- #3D490A
#3D490A
oklch(38.2% 0.084 120.3)
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 #4B3769, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.074
- Blueberry #464196 ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.081
- Twilight Blue #0A437A ΔE 0.082
- Twilight #4E518B ΔE 0.084
- Dusk #4E5481 ΔE 0.085
- Charcoal #264653 ΔE 0.085
Use #4B3769 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.