#4B3863
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.074 303.4), rgb(75, 56, 99).
Aa
White text reads best on this color (10.26:1).
About this color
#4B3863 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.074 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 0.067 away. White text reads best on it, at 10.26:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #4B3863 |
| RGB | rgb(75, 56, 99) |
| HSL | hsl(267, 28%, 30%) |
| OKLCH | oklch(38.1% 0.074 303.4) |
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 #4B3863 | 10.26:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #4B3863 | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #4B3863 text on white | 10.26:1 | AAA | Lc 93.7 | Preferred for body text |
| #4B3863 text on black | 2.04:1 | Fails | Lc -8.8 | 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
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EA
oklch(88.6% 0.03 303)
-
Step 300
300
#C8B8DF
oklch(80.9% 0.057 303.8)
-
Step 400
400
#AC93CF
oklch(70.7% 0.09 303.3)
-
Step 500
500
#9877C2
oklch(63.1% 0.115 303.5)
-
Step 600
600
#835FAE
oklch(55.6% 0.124 303.7)
-
Step 700
700
#6F4E96
oklch(49.2% 0.116 303.6)
-
Step 800
800
#5A4079
oklch(42.6% 0.096 303.7)
-
Step 900
900 (this color)
#4B3863
oklch(38.1% 0.074 303.4)
-
Step 950
950
#2B2039
oklch(26.9% 0.047 303.6)
#4B3863 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) | #2E4065 | 0.049 |
| Deuteranopia (no green cones) | #324162 | 0.046 |
| Tritanopia (no blue cones) | #473F48 | 0.057 |
| Achromatopsia (no color) | #414141 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3863
#4B3863
oklch(38.1% 0.074 303.4)
- #3B4918
#3B4918
oklch(38.1% 0.074 123.4)
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 #4B3863, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.076
- Onyx #343A40 ΔE 0.077
- Prussian Blue #1D3557 ΔE 0.078
- Charcoal #264653 ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.081
- Purple Brown #673A3F ΔE 0.083
Use #4B3863 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.