#43406B
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.072 285.8), rgb(67, 64, 107).
Aa
White text reads best on this color (9.61:1).
About this color
#43406B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.072 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.052 away. White text reads best on it, at 9.61:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #43406B |
| RGB | rgb(67, 64, 107) |
| HSL | hsl(244, 25%, 34%) |
| OKLCH | oklch(39.5% 0.072 285.8) |
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 #43406B | 9.61:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #43406B | 2.18:1 | Fails | Lc 11.7 | Not readable |
| #43406B text on white | 9.61:1 | AAA | Lc 92.2 | Preferred for body text |
| #43406B text on black | 2.18:1 | Fails | Lc -10.2 | 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 900.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BDBCE3
oklch(80.9% 0.055 286.3)
-
Step 400
400
#9B99D4
oklch(70.7% 0.086 285.5)
-
Step 500
500
#847FC9
oklch(63.1% 0.11 285.9)
-
Step 600
600
#6E67B6
oklch(55.6% 0.12 285.8)
-
Step 700
700
#5C559C
oklch(49% 0.111 286)
-
Step 800
800
#4B467F
oklch(42.7% 0.093 285.8)
-
Step 900
900 (this color)
#43406B
oklch(39.5% 0.072 285.8)
-
Step 950
950
#24233C
oklch(27% 0.046 284.7)
#43406B 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) | #32466D | 0.028 |
| Deuteranopia (no green cones) | #31446A | 0.028 |
| Tritanopia (no blue cones) | #394850 | 0.061 |
| Achromatopsia (no color) | #454545 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43406B
#43406B
oklch(39.5% 0.072 285.8)
- #4C4814
#4C4814
oklch(39.4% 0.071 104.9)
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 #43406B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.057
- Twilight Blue #0A437A ΔE 0.064
- Charcoal #264653 ΔE 0.065
- Dusk #4E5481 ΔE 0.067
- Light Navy #155084 ΔE 0.069
- Twilight #4E518B ΔE 0.069
- Cobalt #1E488F ΔE 0.072
Use #43406B 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.