#4B317E
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.125 295.5), rgb(75, 49, 126).
Aa
White text reads best on this color (10.29:1).
About this color
#4B317E is a dark, moderately saturated purple. In OKLCH its lightness is 39%, 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 0.035 away. White text reads best on it, at 10.29:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.29:1 |
Values
| HEX | #4B317E |
| RGB | rgb(75, 49, 126) |
| HSL | hsl(260, 44%, 34%) |
| OKLCH | oklch(38.6% 0.125 295.5) |
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 #4B317E | 10.29:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4B317E | 2.03:1 | Fails | Lc 10.4 | Not readable |
| #4B317E text on white | 10.29:1 | AAA | Lc 93.6 | Preferred for body text |
| #4B317E text on black | 2.03:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FB
oklch(93.7% 0.027 295)
-
Step 200
200
#DBD3F9
oklch(88.5% 0.052 295)
-
Step 300
300
#C5B5F7
oklch(80.9% 0.093 295.4)
-
Step 400
400
#A98BF3
oklch(70.7% 0.15 295.6)
-
Step 500
500
#956AEE
oklch(63.1% 0.191 295.4)
-
Step 600
600
#814DDD
oklch(55.6% 0.208 295.4)
-
Step 700
700
#6D3CC0
oklch(49% 0.195 295.3)
-
Step 800
800
#59339B
oklch(42.7% 0.161 295.6)
-
Step 900
900 (this color)
#4B317E
oklch(38.6% 0.125 295.5)
-
Step 950
950
#2A1C48
oklch(26.9% 0.079 295.3)
#4B317E 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) | #014181 | 0.087 |
| Deuteranopia (no green cones) | #0F3F7C | 0.081 |
| Tritanopia (no blue cones) | #3E4252 | 0.100 |
| Achromatopsia (no color) | #404040 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B317E
#4B317E
oklch(38.6% 0.125 295.5)
- #424900
#424900
oklch(38.6% 0.088 115.8)
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 #4B317E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.068
- Indigo #4B0082 ΔE 0.074
- Cobalt #1E488F ΔE 0.081
- Royal Purple #4B006E ΔE 0.084
- Twilight #4E518B ΔE 0.085
- Twilight Blue #0A437A ΔE 0.087
Use #4B317E 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.