#4B4D71
Closest named color: Dusk (#4E5481). oklch(43.4% 0.059 281.2), rgb(75, 77, 113).
Aa
White text reads best on this color (8.07:1).
About this color
#4B4D71 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.059 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.031 away. White text reads best on it, at 8.07:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.59:1 |
| White text | 8.07:1 |
Values
| HEX | #4B4D71 |
| RGB | rgb(75, 77, 113) |
| HSL | hsl(237, 20%, 37%) |
| OKLCH | oklch(43.4% 0.059 281.2) |
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 #4B4D71 | 8.07:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #4B4D71 | 2.59:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #4B4D71 text on white | 8.07:1 | AAA | Lc 88.0 | Fine for body text |
| #4B4D71 text on black | 2.59:1 | Fails | Lc -14.2 | 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
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BCBFD7
oklch(81% 0.034 280)
-
Step 400
400
#9A9DC3
oklch(70.7% 0.055 281.3)
-
Step 500
500
#8285B4
oklch(63.2% 0.071 281.3)
-
Step 600
600
#6B6EA0
oklch(55.6% 0.077 280.9)
-
Step 700
700
#595C89
oklch(49.1% 0.072 280.5)
-
Step 800
800 (this color)
#4B4D71
oklch(43.4% 0.059 281.2)
-
Step 900
900
#3D3F5A
oklch(37.8% 0.046 280.7)
-
Step 950
950
#242535
oklch(27.1% 0.03 281.4)
#4B4D71 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) | #425173 | 0.016 |
| Deuteranopia (no green cones) | #414F70 | 0.016 |
| Tritanopia (no blue cones) | #41545A | 0.052 |
| Achromatopsia (no color) | #505050 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4D71
#4B4D71
oklch(43.4% 0.059 281.2)
- #58522A
#58522A
oklch(43.4% 0.059 100.9)
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 #4B4D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.031
- Dusty Grape #545775 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.039
- Twilight #4E518B ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.054
- Dusk Blue #26538D ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
- Light Navy #155084 ΔE 0.063
Use #4B4D71 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.