#4A4089
Closest named color: Dark Slate Blue (#483D8B). oklch(42% 0.117 286.5), rgb(74, 64, 137).
Aa
White text reads best on this color (8.80:1).
About this color
#4A4089 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.010 away. White text reads best on it, at 8.80:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #4A4089 |
| RGB | rgb(74, 64, 137) |
| HSL | hsl(248, 36%, 39%) |
| OKLCH | oklch(42% 0.117 286.5) |
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 #4A4089 | 8.80:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #4A4089 | 2.38:1 | Fails | Lc 14.1 | Not readable |
| #4A4089 text on white | 8.80:1 | AAA | Lc 89.9 | Fine for body text |
| #4A4089 text on black | 2.38:1 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BCBBEB
oklch(80.9% 0.067 285.7)
-
Step 400
400
#9B96E2
oklch(70.7% 0.11 286.2)
-
Step 500
500
#847AD9
oklch(63% 0.14 286.5)
-
Step 600
600
#6F61C7
oklch(55.6% 0.153 286.6)
-
Step 700
700
#5D50AC
oklch(49.2% 0.142 286.4)
-
Step 800
800 (this color)
#4A4089
oklch(42% 0.117 286.5)
-
Step 900
900
#3F386F
oklch(37.6% 0.092 287)
-
Step 950
950
#252141
oklch(27% 0.058 287.5)
#4A4089 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) | #1E4C8C | 0.059 |
| Deuteranopia (no green cones) | #1D4887 | 0.058 |
| Tritanopia (no blue cones) | #36505E | 0.099 |
| Achromatopsia (no color) | #4A4A4A | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A4089
#4A4089
oklch(42% 0.117 286.5)
- #545000
#545000
oklch(42.2% 0.09 106.4)
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 #4A4089, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.010
- Blueberry #464196 ΔE 0.022
- Twilight #4E518B ΔE 0.047
- Cobalt #1E488F ΔE 0.057
- Dusk #4E5481 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.062
- Dusk Blue #26538D ΔE 0.064
- Light Navy #155084 ΔE 0.071
Use #4A4089 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.