#434189
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.117 281.3), rgb(67, 65, 137).
Aa
White text reads best on this color (8.91:1).
About this color
#434189 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.013 away. White text reads best on it, at 8.91:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #434189 |
| RGB | rgb(67, 65, 137) |
| HSL | hsl(242, 36%, 40%) |
| OKLCH | oklch(41.6% 0.117 281.3) |
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 #434189 | 8.91:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #434189 | 2.35:1 | Fails | Lc 13.8 | Not readable |
| #434189 text on white | 8.91:1 | AAA | Lc 90.2 | Preferred for body text |
| #434189 text on black | 2.35:1 | Fails | Lc -12.1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F2
oklch(88.5% 0.037 280.6)
-
Step 300
300
#B8BCEC
oklch(80.8% 0.068 281)
-
Step 400
400
#9598E3
oklch(70.7% 0.109 281.5)
-
Step 500
500
#7C7DDB
oklch(63.1% 0.139 281.2)
-
Step 600
600
#6664C8
oklch(55.5% 0.151 281.2)
-
Step 700
700
#5553AD
oklch(49.1% 0.14 280.9)
-
Step 800
800 (this color)
#434189
oklch(41.6% 0.117 281.3)
-
Step 900
900
#3A3A70
oklch(37.7% 0.091 281.1)
-
Step 950
950
#222242
oklch(27% 0.059 281.7)
#434189 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 | 0.049 |
| Deuteranopia (no green cones) | #184787 | 0.050 |
| Tritanopia (no blue cones) | #28515E | 0.102 |
| Achromatopsia (no color) | #4A4A4A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434189
#434189
oklch(41.6% 0.117 281.3)
- #564D00
#564D00
oklch(41.6% 0.087 101.7)
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 #434189, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.013
- Blueberry #464196 ΔE 0.022
- Cobalt #1E488F ΔE 0.046
- Twilight #4E518B ΔE 0.049
- Dusk Blue #26538D ΔE 0.056
- Light Navy #155084 ΔE 0.062
- Dusk #4E5481 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.066
Use #434189 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.