#4B4979
Closest named color: Dusk (#4E5481). oklch(43% 0.078 284.5), rgb(75, 73, 121).
Aa
White text reads best on this color (8.30:1).
About this color
#4B4979 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.078 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.033 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #4B4979 |
| RGB | rgb(75, 73, 121) |
| HSL | hsl(243, 25%, 38%) |
| OKLCH | oklch(43% 0.078 284.5) |
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 #4B4979 | 8.30:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #4B4979 | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #4B4979 text on white | 8.30:1 | AAA | Lc 88.6 | Fine for body text |
| #4B4979 text on black | 2.52:1 | Fails | Lc -13.6 | 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
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BDBDDE
oklch(80.9% 0.046 285.3)
-
Step 400
400
#9B9BCD
oklch(70.8% 0.073 284.4)
-
Step 500
500
#8381C0
oklch(63% 0.094 284.8)
-
Step 600
600
#6D6AAD
oklch(55.6% 0.103 284.6)
-
Step 700
700
#5B5894
oklch(49% 0.095 284.6)
-
Step 800
800 (this color)
#4B4979
oklch(43% 0.078 284.5)
-
Step 900
900
#3E3D61
oklch(37.8% 0.061 284.4)
-
Step 950
950
#242439
oklch(27.1% 0.039 283.5)
#4B4979 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) | #3A507B | 0.029 |
| Deuteranopia (no green cones) | #384D78 | 0.029 |
| Tritanopia (no blue cones) | #3F525B | 0.067 |
| Achromatopsia (no color) | #4E4E4E | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4979
#4B4979
oklch(43% 0.078 284.5)
- #575216
#575216
oklch(43.1% 0.079 104.5)
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 #4B4979, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.033
- Twilight #4E518B ΔE 0.035
- Dusty Grape #545775 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.049
- YInMn Blue #415A77 ΔE 0.052
- Dusk Blue #26538D ΔE 0.055
- Blueberry #464196 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.057
Use #4B4979 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.