#4A338F
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.145 289.8), rgb(74, 51, 143).
Aa
White text reads best on this color (9.71:1).
About this color
#4A338F is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.145 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.71:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #4A338F |
| RGB | rgb(74, 51, 143) |
| HSL | hsl(255, 47%, 38%) |
| OKLCH | oklch(40.2% 0.145 289.8) |
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 #4A338F | 9.71:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #4A338F | 2.16:1 | Fails | Lc 11.9 | Not readable |
| #4A338F text on white | 9.71:1 | AAA | Lc 92.1 | Preferred for body text |
| #4A338F text on black | 2.16:1 | Fails | Lc -10.3 | 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
#E9E7FE
oklch(93.6% 0.031 289.8)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#BFB6FF
oklch(81% 0.102 289.6)
-
Step 400
400
#A08CFF
oklch(70.8% 0.164 289.5)
-
Step 500
500
#8C68FF
oklch(63.1% 0.214 289.8)
-
Step 600
600
#7945F3
oklch(55.6% 0.242 289.8)
-
Step 700
700
#6634D3
oklch(49% 0.224 289.8)
-
Step 800
800
#532EAB
oklch(42.8% 0.186 289.7)
-
Step 900
900 (this color)
#4A338F
oklch(40.2% 0.145 289.8)
-
Step 950
950
#271B4F
oklch(27% 0.091 289.5)
#4A338F 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) | #004692 | 0.082 |
| Deuteranopia (no green cones) | #00428D | 0.081 |
| Tritanopia (no blue cones) | #34495C | 0.118 |
| Achromatopsia (no color) | #444444 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A338F
#4A338F
oklch(40.2% 0.145 289.8)
- #4C4C00
#4C4C00
oklch(40.3% 0.088 109.8)
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 #4A338F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.035
- Rebecca Purple #663399 ΔE 0.055
- Imperial Purple #480CA8 ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.071
- Cobalt #1E488F ΔE 0.072
- Sapphire #2138AB ΔE 0.074
- Indigo Blue #3A18B1 ΔE 0.078
Use #4A338F 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.