#4B4981
Closest named color: Twilight (#4E518B). oklch(43.4% 0.091 283.6), rgb(75, 73, 129).
Aa
White text reads best on this color (8.17:1).
About this color
#4B4981 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.091 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 8.17:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #4B4981 |
| RGB | rgb(75, 73, 129) |
| HSL | hsl(242, 28%, 40%) |
| OKLCH | oklch(43.4% 0.091 283.6) |
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 #4B4981 | 8.17:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #4B4981 | 2.56:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #4B4981 text on white | 8.17:1 | AAA | Lc 88.2 | Fine for body text |
| #4B4981 text on black | 2.56:1 | Fails | Lc -14.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7ED
oklch(88.5% 0.03 283.7)
-
Step 300
300
#BBBDE3
oklch(80.9% 0.053 282.8)
-
Step 400
400
#999AD4
oklch(70.7% 0.084 283.3)
-
Step 500
500
#8180C9
oklch(63.1% 0.109 283.5)
-
Step 600
600
#6B68B6
oklch(55.6% 0.119 283.6)
-
Step 700
700
#5A569C
oklch(49% 0.11 284.2)
-
Step 800
800 (this color)
#4B4981
oklch(43.4% 0.091 283.6)
-
Step 900
900
#3D3C66
oklch(37.7% 0.071 283.5)
-
Step 950
950
#24233C
oklch(27% 0.046 284.7)
#4B4981 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) | #355183 | 0.035 |
| Deuteranopia (no green cones) | #334D80 | 0.034 |
| Tritanopia (no blue cones) | #3B545E | 0.079 |
| Achromatopsia (no color) | #4F4F4F | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4981
#4B4981
oklch(43.4% 0.091 283.6)
- #5A5301
#5A5301
oklch(43.5% 0.091 103.9)
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 #4B4981, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Dusk #4E5481 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.045
- Dusk Blue #26538D ΔE 0.051
- Dusty Grape #545775 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.056
Use #4B4981 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.