#434291
Closest named color: Blueberry (#464196). oklch(42.4% 0.127 280.1), rgb(67, 66, 145).
Aa
White text reads best on this color (8.65:1).
About this color
#434291 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.127 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.010 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #434291 |
| RGB | rgb(67, 66, 145) |
| HSL | hsl(241, 37%, 41%) |
| OKLCH | oklch(42.4% 0.127 280.1) |
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 #434291 | 8.65:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #434291 | 2.42:1 | Fails | Lc 14.5 | Not readable |
| #434291 text on white | 8.65:1 | AAA | Lc 89.4 | Fine for body text |
| #434291 text on black | 2.42:1 | Fails | Lc -12.8 | 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
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B7BCF0
oklch(80.9% 0.073 280.3)
-
Step 400
400
#9298E9
oklch(70.7% 0.118 279.7)
-
Step 500
500
#797CE2
oklch(63.1% 0.151 279.9)
-
Step 600
600
#6463D0
oklch(55.7% 0.164 280.1)
-
Step 700
700
#5351B4
oklch(49.1% 0.153 280.1)
-
Step 800
800 (this color)
#434291
oklch(42.4% 0.127 280.1)
-
Step 900
900
#393974
oklch(37.7% 0.099 280.6)
-
Step 950
950
#212244
oklch(27% 0.062 280.1)
#434291 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) | #164F94 | 0.054 |
| Deuteranopia (no green cones) | #0A498F | 0.056 |
| Tritanopia (no blue cones) | #225463 | 0.110 |
| Achromatopsia (no color) | #4C4C4C | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434291
#434291
oklch(42.4% 0.127 280.1)
- #5A4F00
#5A4F00
oklch(42.5% 0.088 100.1)
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 #434291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.010
- Dark Slate Blue #483D8B ΔE 0.016
- Cobalt #1E488F ΔE 0.045
- Twilight #4E518B ΔE 0.049
- Dusk Blue #26538D ΔE 0.055
- Light Navy #155084 ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Sapphire #2138AB ΔE 0.068
Use #434291 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.