#4B4E7B
Closest named color: Dusk (#4E5481). oklch(44.2% 0.074 280), rgb(75, 78, 123).
Aa
White text reads best on this color (7.85:1).
About this color
#4B4E7B is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.074 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.019 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #4B4E7B |
| RGB | rgb(75, 78, 123) |
| HSL | hsl(236, 24%, 39%) |
| OKLCH | oklch(44.2% 0.074 280) |
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 #4B4E7B | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #4B4E7B | 2.67:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #4B4E7B text on white | 7.85:1 | AAA | Lc 87.2 | Fine for body text |
| #4B4E7B text on black | 2.67:1 | Fails | Lc -14.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E9
oklch(88.6% 0.023 280.6)
-
Step 300
300
#BBBEDD
oklch(80.9% 0.044 281)
-
Step 400
400
#989CCB
oklch(70.6% 0.069 280.7)
-
Step 500
500
#7F83BE
oklch(63% 0.089 280.5)
-
Step 600
600
#686CAA
oklch(55.5% 0.096 280)
-
Step 700
700
#575A92
oklch(49% 0.089 280.2)
-
Step 800
800 (this color)
#4B4E7B
oklch(44.2% 0.074 280)
-
Step 900
900
#3C3E60
oklch(37.8% 0.058 280.7)
-
Step 950
950
#232438
oklch(26.9% 0.037 281.4)
#4B4E7B 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) | #3F547D | 0.022 |
| Deuteranopia (no green cones) | #3D507A | 0.020 |
| Tritanopia (no blue cones) | #3D575F | 0.065 |
| Achromatopsia (no color) | #525252 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4E7B
#4B4E7B
oklch(44.2% 0.074 280)
- #5C541E
#5C541E
oklch(44.2% 0.074 100.9)
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 #4B4E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.019
- Twilight #4E518B ΔE 0.027
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
- Dusky Blue #475F94 ΔE 0.056
Use #4B4E7B 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.