#48278D
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.158 291.9), rgb(72, 39, 141).
Aa
White text reads best on this color (10.76:1).
About this color
#48278D is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.158 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #48278D |
| RGB | rgb(72, 39, 141) |
| HSL | hsl(259, 57%, 35%) |
| OKLCH | oklch(38% 0.158 291.9) |
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 #48278D | 10.76:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #48278D | 1.95:1 | Fails | Lc 9.6 | Not readable |
| #48278D text on white | 10.76:1 | AAA | Lc 94.3 | Preferred for body text |
| #48278D text on black | 1.95:1 | Fails | Lc -8.3 | 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
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#D9D3FF
oklch(88.6% 0.06 291.4)
-
Step 300
300
#C2B4FF
oklch(80.9% 0.105 292.4)
-
Step 400
400
#A48AFF
oklch(70.7% 0.167 291.8)
-
Step 500
500
#9165FF
oklch(63.1% 0.218 292.1)
-
Step 600
600
#7F38FC
oklch(55.6% 0.264 291.8)
-
Step 700
700
#6C26DC
oklch(49.1% 0.246 291.8)
-
Step 800
800
#5824B1
oklch(42.7% 0.203 292.2)
-
Step 900
900 (this color)
#48278D
oklch(38% 0.158 291.9)
-
Step 950
950
#291852
oklch(26.9% 0.1 291.7)
#48278D 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) | #003F90 | 0.089 |
| Deuteranopia (no green cones) | #003B8B | 0.087 |
| Tritanopia (no blue cones) | #324157 | 0.125 |
| Achromatopsia (no color) | #3E3E3E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #48278D
#48278D
oklch(38% 0.158 291.9)
- #444600
#444600
oklch(38% 0.084 111.6)
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 #48278D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.053
- Indigo #4B0082 ΔE 0.054
- Blueberry #464196 ΔE 0.060
- Chrysanthemum #560BAD ΔE 0.062
- Rebecca Purple #663399 ΔE 0.068
- Indigo Blue #3A18B1 ΔE 0.069
- Royal Purple #4B006E ΔE 0.078
Use #48278D 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.