#4B376C
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.09 299.6), rgb(75, 55, 108).
Aa
White text reads best on this color (10.18:1).
About this color
#4B376C is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.090 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.052 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #4B376C |
| RGB | rgb(75, 55, 108) |
| HSL | hsl(263, 33%, 32%) |
| OKLCH | oklch(38.5% 0.09 299.6) |
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 #4B376C | 10.18:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4B376C | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #4B376C text on white | 10.18:1 | AAA | Lc 93.5 | Preferred for body text |
| #4B376C 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EF
oklch(88.5% 0.038 299.2)
-
Step 300
300
#C7B7E6
oklch(80.8% 0.067 300.5)
-
Step 400
400
#AA91DA
oklch(70.6% 0.108 299.4)
-
Step 500
500
#9674D0
oklch(63.1% 0.138 299.5)
-
Step 600
600
#815BBD
oklch(55.6% 0.149 299.4)
-
Step 700
700
#6D4AA3
oklch(49% 0.139 299.4)
-
Step 800
800
#593D84
oklch(42.6% 0.116 299.7)
-
Step 900
900 (this color)
#4B376C
oklch(38.5% 0.09 299.6)
-
Step 950
950
#2B1F3E
oklch(27% 0.058 300.4)
#4B376C 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) | #27416E | 0.058 |
| Deuteranopia (no green cones) | #2B416B | 0.055 |
| Tritanopia (no blue cones) | #44414C | 0.071 |
| Achromatopsia (no color) | #414141 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B376C
#4B376C
oklch(38.5% 0.09 299.6)
- #3E4A02
#3E4A02
oklch(38.5% 0.09 119.8)
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 #4B376C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.076
- Twilight Blue #0A437A ΔE 0.081
- Twilight #4E518B ΔE 0.082
- Prussian Blue #1D3557 ΔE 0.083
- Dusk #4E5481 ΔE 0.084
- Cobalt #1E488F ΔE 0.086
Use #4B376C 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.