#48318B
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.142 290), rgb(72, 49, 139).
Aa
White text reads best on this color (10.05:1).
About this color
#48318B is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.142 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.029 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #48318B |
| RGB | rgb(72, 49, 139) |
| HSL | hsl(255, 48%, 37%) |
| OKLCH | oklch(39.3% 0.142 290) |
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 #48318B | 10.05:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #48318B | 2.08:1 | Fails | Lc 11.0 | Not readable |
| #48318B text on white | 10.05:1 | AAA | Lc 92.9 | Preferred for body text |
| #48318B text on black | 2.08:1 | Fails | Lc -9.5 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FE
oklch(93.6% 0.031 289.8)
-
Step 200
200
#D8D3FE
oklch(88.5% 0.059 290.5)
-
Step 300
300
#BFB5FF
oklch(80.8% 0.104 290.1)
-
Step 400
400
#A18BFF
oklch(70.7% 0.166 290.2)
-
Step 500
500
#8D68FF
oklch(63.2% 0.214 290.2)
-
Step 600
600
#7947F0
oklch(55.6% 0.237 290)
-
Step 700
700
#6736D1
oklch(49.1% 0.22 290.3)
-
Step 800
800
#532FA9
oklch(42.7% 0.182 289.9)
-
Step 900
900 (this color)
#48318B
oklch(39.3% 0.142 290)
-
Step 950
950
#271B4E
oklch(26.9% 0.09 289.8)
#48318B 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) | #00448E | 0.081 |
| Deuteranopia (no green cones) | #004089 | 0.080 |
| Tritanopia (no blue cones) | #334659 | 0.115 |
| Achromatopsia (no color) | #424242 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #48318B
#48318B
oklch(39.3% 0.142 290)
- #494900
#494900
oklch(39.2% 0.086 109.8)
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 #48318B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.029
- Blueberry #464196 ΔE 0.041
- Rebecca Purple #663399 ΔE 0.061
- Imperial Purple #480CA8 ΔE 0.068
- Indigo #4B0082 ΔE 0.073
- Cobalt #1E488F ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.074
- Sapphire #2138AB ΔE 0.077
Use #48318B 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.