#4B307D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.125 296.1), rgb(75, 48, 125).
Aa
White text reads best on this color (10.40:1).
About this color
#4B307D is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.125 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 10.40:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #4B307D |
| RGB | rgb(75, 48, 125) |
| HSL | hsl(261, 45%, 34%) |
| OKLCH | oklch(38.4% 0.125 296.1) |
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 #4B307D | 10.40:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #4B307D | 2.01:1 | Fails | Lc 10.1 | Not readable |
| #4B307D text on white | 10.40:1 | AAA | Lc 93.8 | Preferred for body text |
| #4B307D text on black | 2.01:1 | Fails | Lc -8.7 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F8
oklch(88.6% 0.051 296.5)
-
Step 300
300
#C6B4F7
oklch(80.8% 0.095 296.5)
-
Step 400
400
#AA8BF3
oklch(70.8% 0.15 296.1)
-
Step 500
500
#9669EE
oklch(63% 0.193 296)
-
Step 600
600
#824CDC
oklch(55.5% 0.209 296.1)
-
Step 700
700
#6E3CBF
oklch(49.1% 0.194 295.9)
-
Step 800
800
#5A339B
oklch(42.8% 0.161 296.1)
-
Step 900
900 (this color)
#4B307D
oklch(38.4% 0.125 296.1)
-
Step 950
950
#2B1C48
oklch(27.1% 0.079 296.5)
#4B307D 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) | #004080 | 0.088 |
| Deuteranopia (no green cones) | #0E3F7B | 0.083 |
| Tritanopia (no blue cones) | #3F4151 | 0.099 |
| Achromatopsia (no color) | #404040 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B307D
#4B307D
oklch(38.4% 0.125 296.1)
- #414900
#414900
oklch(38.5% 0.088 116.7)
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 #4B307D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.056
- Rebecca Purple #663399 ΔE 0.069
- Indigo #4B0082 ΔE 0.072
- Royal Purple #4B006E ΔE 0.081
- Cobalt #1E488F ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.087
- Twilight Blue #0A437A ΔE 0.088
Use #4B307D 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.