#4B3F69
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.071 296.2), rgb(75, 63, 105).
Aa
White text reads best on this color (9.48:1).
About this color
#4B3F69 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 9.48:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #4B3F69 |
| RGB | rgb(75, 63, 105) |
| HSL | hsl(257, 25%, 33%) |
| OKLCH | oklch(39.9% 0.071 296.2) |
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 #4B3F69 | 9.48:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #4B3F69 | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #4B3F69 text on white | 9.48:1 | AAA | Lc 91.9 | Preferred for body text |
| #4B3F69 text on black | 2.21:1 | Fails | Lc -10.5 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#DAD6EB
oklch(88.6% 0.029 294.5)
-
Step 300
300
#C3BAE0
oklch(80.9% 0.054 296)
-
Step 400
400
#A596D0
oklch(70.7% 0.085 296)
-
Step 500
500
#907BC3
oklch(63.1% 0.108 296.6)
-
Step 600
600
#7A63B0
oklch(55.6% 0.118 296.1)
-
Step 700
700
#675297
oklch(49.1% 0.109 296.2)
-
Step 800
800
#54437A
oklch(42.6% 0.09 296.6)
-
Step 900
900 (this color)
#4B3F69
oklch(39.9% 0.071 296.2)
-
Step 950
950
#28223A
oklch(27.1% 0.044 294.7)
#4B3F69 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) | #34466B | 0.039 |
| Deuteranopia (no green cones) | #364568 | 0.036 |
| Tritanopia (no blue cones) | #45464F | 0.056 |
| Achromatopsia (no color) | #464646 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3F69
#4B3F69
oklch(39.9% 0.071 296.2)
- #454C1C
#454C1C
oklch(39.9% 0.07 116.6)
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 #4B3F69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.061
- Dusk #4E5481 ΔE 0.066
- Twilight #4E518B ΔE 0.069
- Dusty Grape #545775 ΔE 0.073
- Charcoal #264653 ΔE 0.073
- Blueberry #464196 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.076
Use #4B3F69 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.