#4B4875
Closest named color: Dusk (#4E5481). oklch(42.5% 0.074 285.9), rgb(75, 72, 117).
Aa
White text reads best on this color (8.45:1).
About this color
#4B4875 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.074 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.037 away. White text reads best on it, at 8.45:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #4B4875 |
| RGB | rgb(75, 72, 117) |
| HSL | hsl(244, 24%, 37%) |
| OKLCH | oklch(42.5% 0.074 285.9) |
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 #4B4875 | 8.45:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #4B4875 | 2.48:1 | Fails | Lc 14.9 | Not readable |
| #4B4875 text on white | 8.45:1 | AAA | Lc 89.1 | Fine for body text |
| #4B4875 text on black | 2.48:1 | Fails | Lc -13.1 | 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
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BDBDDC
oklch(80.8% 0.043 285.4)
-
Step 400
400
#9C9BCA
oklch(70.7% 0.068 285.5)
-
Step 500
500
#8582BD
oklch(63.2% 0.088 285.9)
-
Step 600
600
#6F6AA9
oklch(55.6% 0.097 286.4)
-
Step 700
700
#5C5891
oklch(49% 0.09 285.8)
-
Step 800
800 (this color)
#4B4875
oklch(42.5% 0.074 285.9)
-
Step 900
900
#3F3D5F
oklch(37.7% 0.058 286)
-
Step 950
950
#252438
oklch(27.1% 0.037 286)
#4B4875 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) | #3A4E77 | 0.028 |
| Deuteranopia (no green cones) | #394C74 | 0.028 |
| Tritanopia (no blue cones) | #405059 | 0.062 |
| Achromatopsia (no color) | #4D4D4D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4875
#4B4875
oklch(42.5% 0.074 285.9)
- #54511B
#54511B
oklch(42.6% 0.074 106.1)
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 #4B4875, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.037
- Twilight #4E518B ΔE 0.041
- Dusty Grape #545775 ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.052
- YInMn Blue #415A77 ΔE 0.054
- Dusk Blue #26538D ΔE 0.060
- Light Navy Blue #2E5A88 ΔE 0.061
- Blueberry #464196 ΔE 0.062
Use #4B4875 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.