#4B3F7B
Closest named color: Dark Slate Blue (#483D8B). oklch(41% 0.098 290.6), rgb(75, 63, 123).
Aa
White text reads best on this color (9.14:1).
About this color
#4B3F7B is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.098 and its hue 291°. 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 9.14:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #4B3F7B |
| RGB | rgb(75, 63, 123) |
| HSL | hsl(252, 32%, 36%) |
| OKLCH | oklch(41% 0.098 290.6) |
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 #4B3F7B | 9.14:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #4B3F7B | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #4B3F7B text on white | 9.14:1 | AAA | Lc 90.9 | Preferred for body text |
| #4B3F7B text on black | 2.29:1 | Fails | Lc -11.4 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#C0BBE4
oklch(81% 0.058 290.6)
-
Step 400
400
#A097D6
oklch(70.8% 0.091 290.4)
-
Step 500
500
#8A7CCB
oklch(63.2% 0.117 290.8)
-
Step 600
600
#7464B8
oklch(55.7% 0.127 290.4)
-
Step 700
700
#62529E
oklch(49.1% 0.119 291.1)
-
Step 800
800 (this color)
#4B3F7B
oklch(41% 0.098 290.6)
-
Step 900
900
#423967
oklch(37.6% 0.077 291.2)
-
Step 950
950
#26223C
oklch(27% 0.048 289.9)
#4B3F7B 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) | #29497D | 0.052 |
| Deuteranopia (no green cones) | #2A477A | 0.050 |
| Tritanopia (no blue cones) | #3F4B57 | 0.081 |
| Achromatopsia (no color) | #484848 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3F7B
#4B3F7B
oklch(41% 0.098 290.6)
- #4D4E00
#4D4E00
oklch(40.9% 0.09 110.6)
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 #4B3F7B, 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 0.045
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.060
- Cobalt #1E488F ΔE 0.065
- Dusk Blue #26538D ΔE 0.070
- Light Navy #155084 ΔE 0.072
- Twilight Blue #0A437A ΔE 0.074
Use #4B3F7B 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.