#4B4273
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.081 290.8), rgb(75, 66, 115).
Aa
White text reads best on this color (9.02:1).
About this color
#4B4273 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.081 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 0.045 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #4B4273 |
| RGB | rgb(75, 66, 115) |
| HSL | hsl(251, 27%, 35%) |
| OKLCH | oklch(41.1% 0.081 290.8) |
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 #4B4273 | 9.02:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #4B4273 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #4B4273 text on white | 9.02:1 | AAA | Lc 90.7 | Preferred for body text |
| #4B4273 text on black | 2.32:1 | Fails | Lc -11.6 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C0BCDE
oklch(80.9% 0.048 290.7)
-
Step 400
400
#A099CD
oklch(70.8% 0.075 290.5)
-
Step 500
500
#897FC0
oklch(63.1% 0.097 290.4)
-
Step 600
600
#7467AC
oklch(55.6% 0.106 291.2)
-
Step 700
700
#615694
oklch(49.2% 0.098 290.5)
-
Step 800
800 (this color)
#4B4273
oklch(41.1% 0.081 290.8)
-
Step 900
900
#423B60
oklch(37.6% 0.063 291.8)
-
Step 950
950
#262339
oklch(27% 0.04 289.7)
#4B4273 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) | #334A75 | 0.039 |
| Deuteranopia (no green cones) | #334872 | 0.038 |
| Tritanopia (no blue cones) | #414B55 | 0.067 |
| Achromatopsia (no color) | #494949 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4273
#4B4273
oklch(41.1% 0.081 290.8)
- #4D4E11
#4D4E11
oklch(41% 0.08 110.4)
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 #4B4273, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight #4E518B ΔE 0.053
- Dusk #4E5481 ΔE 0.053
- Blueberry #464196 ΔE 0.059
- Dusty Grape #545775 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.069
- Dusk Blue #26538D ΔE 0.069
- Light Navy #155084 ΔE 0.070
Use #4B4273 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.