#483D8B
Named color: Dark Slate Blue. oklch(41.4% 0.125 286), rgb(72, 61, 139).
Aa
White text reads best on this color (9.06:1).
About this color
#483D8B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.125 and its hue 286°. Its hue sits on the cool side of the wheel. It is the named color Dark Slate Blue. White text reads best on it, at 9.06:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dark Slate Blue |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #483D8B |
| RGB | rgb(72, 61, 139) |
| HSL | hsl(248, 39%, 39%) |
| OKLCH | oklch(41.4% 0.125 286) |
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 #483D8B | 9.06:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #483D8B | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #483D8B text on white | 9.06:1 | AAA | Lc 90.6 | Preferred for body text |
| #483D8B text on black | 2.31:1 | Fails | Lc -11.7 | 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 800.
-
Step 50
50
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BCBAEE
oklch(80.8% 0.073 286.4)
-
Step 400
400
#9B95E6
oklch(70.7% 0.117 286.4)
-
Step 500
500
#8379DE
oklch(63.1% 0.148 285.8)
-
Step 600
600
#6E5FCC
oklch(55.5% 0.163 286.1)
-
Step 700
700
#5C4EB1
oklch(49.1% 0.152 285.8)
-
Step 800
800 (this color)
#483D8B
oklch(41.4% 0.125 286)
-
Step 900
900
#3E3872
oklch(37.8% 0.096 285.5)
-
Step 950
950
#242143
oklch(27% 0.062 285.5)
#483D8B 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) | #124B8E | 0.066 |
| Deuteranopia (no green cones) | #104689 | 0.065 |
| Tritanopia (no blue cones) | #324E5E | 0.104 |
| Achromatopsia (no color) | #494949 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #483D8B
#483D8B
oklch(41.4% 0.125 286)
- #524E00
#524E00
oklch(41.4% 0.089 106.3)
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 #483D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.020
- Cobalt #1E488F ΔE 0.056
- Twilight #4E518B ΔE 0.056
- Rebecca Purple #663399 ΔE 0.061
- Dusk Blue #26538D ΔE 0.068
- Dusk #4E5481 ΔE 0.071
- Light Navy #155084 ΔE 0.074
- Twilight Blue #0A437A ΔE 0.076
Use #483D8B 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.