#4B307C
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.124 296.5), rgb(75, 48, 124).
Aa
White text reads best on this color (10.43:1).
About this color
#4B307C is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.124 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 0.039 away. White text reads best on it, at 10.43:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #4B307C |
| RGB | rgb(75, 48, 124) |
| HSL | hsl(261, 44%, 34%) |
| OKLCH | oklch(38.3% 0.124 296.5) |
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 #4B307C | 10.43:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #4B307C | 2.01:1 | Fails | Lc 10.0 | Not readable |
| #4B307C text on white | 10.43:1 | AAA | Lc 93.9 | Preferred for body text |
| #4B307C 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
#C6B5F6
oklch(81% 0.092 296.3)
-
Step 400
400
#AA8BF2
oklch(70.7% 0.149 296.3)
-
Step 500
500
#976AED
oklch(63.2% 0.19 296.4)
-
Step 600
600
#834DDB
oklch(55.7% 0.206 296.6)
-
Step 700
700
#6F3CBE
oklch(49.1% 0.192 296.6)
-
Step 800
800
#5A339A
oklch(42.7% 0.16 296.4)
-
Step 900
900 (this color)
#4B307C
oklch(38.3% 0.124 296.5)
-
Step 950
950
#2B1C48
oklch(27.1% 0.079 296.5)
#4B307C 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) | #02407E | 0.088 |
| Deuteranopia (no green cones) | #103F7A | 0.082 |
| Tritanopia (no blue cones) | #3F4051 | 0.096 |
| Achromatopsia (no color) | #404040 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B307C
#4B307C
oklch(38.3% 0.124 296.5)
- #414800
#414800
oklch(38.2% 0.087 115.9)
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 #4B307C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.039
- Blueberry #464196 ΔE 0.057
- Rebecca Purple #663399 ΔE 0.070
- Indigo #4B0082 ΔE 0.072
- Royal Purple #4B006E ΔE 0.081
- Cobalt #1E488F ΔE 0.084
- Twilight Blue #0A437A ΔE 0.088
- Twilight #4E518B ΔE 0.088
Use #4B307C 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.