#49398A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.7% 0.129 288.4), rgb(73, 57, 138).
Aa
White text reads best on this color (9.39:1).
About this color
#49398A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.129 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.010 away. White text reads best on it, at 9.39:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #49398A |
| RGB | rgb(73, 57, 138) |
| HSL | hsl(252, 42%, 38%) |
| OKLCH | oklch(40.7% 0.129 288.4) |
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 #49398A | 9.39:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #49398A | 2.23:1 | Fails | Lc 12.5 | Not readable |
| #49398A text on white | 9.39:1 | AAA | Lc 91.4 | Preferred for body text |
| #49398A text on black | 2.23:1 | Fails | Lc -10.9 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F4
oklch(88.4% 0.042 288.5)
-
Step 300
300
#BEB9EF
oklch(80.8% 0.076 288.8)
-
Step 400
400
#9E94E7
oklch(70.8% 0.12 288.5)
-
Step 500
500
#8777E0
oklch(63.1% 0.154 288.2)
-
Step 600
600
#725DCE
oklch(55.6% 0.168 288.2)
-
Step 700
700
#604CB2
oklch(49.1% 0.155 288.3)
-
Step 800
800 (this color)
#49398A
oklch(40.7% 0.129 288.4)
-
Step 900
900
#413673
oklch(37.7% 0.101 288.9)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#49398A 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) | #04488D | 0.075 |
| Deuteranopia (no green cones) | #064488 | 0.074 |
| Tritanopia (no blue cones) | #354B5C | 0.106 |
| Achromatopsia (no color) | #464646 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #49398A
#49398A
oklch(40.7% 0.129 288.4)
- #4E4D00
#4E4D00
oklch(40.8% 0.088 108.9)
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 #49398A, 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 0.027
- Rebecca Purple #663399 ΔE 0.059
- Cobalt #1E488F ΔE 0.063
- Twilight #4E518B ΔE 0.066
- Dusk Blue #26538D ΔE 0.077
- Sapphire #2138AB ΔE 0.078
- Dusk #4E5481 ΔE 0.080
Use #49398A 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.