#4C4184
Closest named color: Dark Slate Blue (#483D8B). oklch(42.1% 0.108 288.4), rgb(76, 65, 132).
Aa
White text reads best on this color (8.76:1).
About this color
#4C4184 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.108 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.018 away. White text reads best on it, at 8.76:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #4C4184 |
| RGB | rgb(76, 65, 132) |
| HSL | hsl(250, 34%, 39%) |
| OKLCH | oklch(42.1% 0.108 288.4) |
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 #4C4184 | 8.76:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #4C4184 | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #4C4184 text on white | 8.76:1 | AAA | Lc 89.8 | Fine for body text |
| #4C4184 text on black | 2.39:1 | Fails | Lc -12.4 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BEBBE8
oklch(81% 0.063 288)
-
Step 400
400
#9E96DC
oklch(70.7% 0.101 288.8)
-
Step 500
500
#877BD2
oklch(63.1% 0.128 288.5)
-
Step 600
600
#7162C0
oklch(55.5% 0.142 288.2)
-
Step 700
700
#5F51A5
oklch(49.1% 0.13 288.3)
-
Step 800
800 (this color)
#4C4184
oklch(42.1% 0.108 288.4)
-
Step 900
900
#40396B
oklch(37.7% 0.084 288.1)
-
Step 950
950
#26223F
oklch(27.2% 0.053 288.7)
#4C4184 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) | #264C86 | 0.055 |
| Deuteranopia (no green cones) | #264982 | 0.054 |
| Tritanopia (no blue cones) | #3C4F5C | 0.091 |
| Achromatopsia (no color) | #4B4B4B | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C4184
#4C4184
oklch(42.1% 0.108 288.4)
- #525000
#525000
oklch(41.9% 0.09 108.1)
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 #4C4184, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.018
- Blueberry #464196 ΔE 0.031
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.056
- Cobalt #1E488F ΔE 0.060
- Dusk Blue #26538D ΔE 0.064
- Rebecca Purple #663399 ΔE 0.065
- Light Navy #155084 ΔE 0.070
Use #4C4184 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.