#43336B
Closest named color: Dark Slate Blue (#483D8B). oklch(36.8% 0.094 294.5), rgb(67, 51, 107).
Aa
White text reads best on this color (10.91:1).
About this color
#43336B is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.094 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 10.91:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #43336B |
| RGB | rgb(67, 51, 107) |
| HSL | hsl(257, 35%, 31%) |
| OKLCH | oklch(36.8% 0.094 294.5) |
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 #43336B | 10.91:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #43336B | 1.92:1 | Fails | Lc 8.8 | Not readable |
| #43336B text on white | 10.91:1 | AAA | Lc 95.1 | Preferred for body text |
| #43336B text on black | 1.92:1 | Fails | Lc -7.5 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EA
oklch(80.8% 0.071 294.9)
-
Step 400
400
#A592E0
oklch(70.7% 0.113 294.5)
-
Step 500
500
#9075D7
oklch(63.1% 0.145 294.6)
-
Step 600
600
#7B5CC4
oklch(55.6% 0.156 294.5)
-
Step 700
700
#684BA9
oklch(49.1% 0.145 294.7)
-
Step 800
800
#543E89
oklch(42.6% 0.12 294.2)
-
Step 900
900 (this color)
#43336B
oklch(36.8% 0.094 294.5)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#43336B 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) | #1E3D6D | 0.057 |
| Deuteranopia (no green cones) | #213C6A | 0.054 |
| Tritanopia (no blue cones) | #3A3E4A | 0.075 |
| Achromatopsia (no color) | #3D3D3D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43336B
#43336B
oklch(36.8% 0.094 294.5)
- #3E4400
#3E4400
oklch(36.8% 0.084 115.3)
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 #43336B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.070
- Twilight Blue #0A437A ΔE 0.075
- Marine Blue #01386A ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.077
- Blueberry #464196 ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.083
- Space Cadet #2B2D42 ΔE 0.086
Use #43336B 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.