#4A448B
Closest named color: Dark Slate Blue (#483D8B). oklch(43% 0.114 284.3), rgb(74, 68, 139).
Aa
White text reads best on this color (8.43:1).
About this color
#4A448B is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.114 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.019 away. White text reads best on it, at 8.43:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.49:1 |
| White text | 8.43:1 |
Values
| HEX | #4A448B |
| RGB | rgb(74, 68, 139) |
| HSL | hsl(245, 34%, 41%) |
| OKLCH | oklch(43% 0.114 284.3) |
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 #4A448B | 8.43:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #4A448B | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #4A448B text on white | 8.43:1 | AAA | Lc 88.9 | Fine for body text |
| #4A448B text on black | 2.49:1 | Fails | Lc -13.3 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBBEB
oklch(80.8% 0.067 284.8)
-
Step 400
400
#9997E1
oklch(70.7% 0.107 284.5)
-
Step 500
500
#817CD8
oklch(63.1% 0.136 284.3)
-
Step 600
600
#6B63C5
oklch(55.5% 0.148 284.2)
-
Step 700
700
#5A52AB
oklch(49.2% 0.138 284.2)
-
Step 800
800 (this color)
#4A448B
oklch(43% 0.114 284.3)
-
Step 900
900
#3D396E
oklch(37.6% 0.089 284.7)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#4A448B 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) | #254F8E | 0.051 |
| Deuteranopia (no green cones) | #224B89 | 0.052 |
| Tritanopia (no blue cones) | #355361 | 0.097 |
| Achromatopsia (no color) | #4D4D4D | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A448B
#4A448B
oklch(43% 0.114 284.3)
- #585200
#585200
oklch(43.1% 0.091 104.7)
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 #4A448B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.019
- Blueberry #464196 ΔE 0.022
- Twilight #4E518B ΔE 0.037
- Dusk #4E5481 ΔE 0.052
- Cobalt #1E488F ΔE 0.054
- Dusk Blue #26538D ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.064
- Rebecca Purple #663399 ΔE 0.065
Use #4A448B 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.