#43386B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.085 291.7), rgb(67, 56, 107).
Aa
White text reads best on this color (10.41:1).
About this color
#43386B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.085 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.41:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #43386B |
| RGB | rgb(67, 56, 107) |
| HSL | hsl(253, 31%, 32%) |
| OKLCH | oklch(37.8% 0.085 291.7) |
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 #43386B | 10.41:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #43386B | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #43386B text on white | 10.41:1 | AAA | Lc 94.1 | Preferred for body text |
| #43386B text on black | 2.01:1 | Fails | Lc -8.5 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5EF
oklch(88.4% 0.036 292.7)
-
Step 300
300
#C1BAE7
oklch(81% 0.063 292.1)
-
Step 400
400
#A195DC
oklch(70.7% 0.103 291.3)
-
Step 500
500
#8B79D2
oklch(63.1% 0.132 291.5)
-
Step 600
600
#7660BF
oklch(55.5% 0.143 291.7)
-
Step 700
700
#634FA5
oklch(49.1% 0.133 291.4)
-
Step 800
800
#514185
oklch(42.6% 0.11 291.9)
-
Step 900
900 (this color)
#43386B
oklch(37.8% 0.085 291.7)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#43386B 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) | #27416D | 0.045 |
| Deuteranopia (no green cones) | #283F6A | 0.043 |
| Tritanopia (no blue cones) | #39424C | 0.071 |
| Achromatopsia (no color) | #404040 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43386B
#43386B
oklch(37.8% 0.085 291.7)
- #434500
#434500
oklch(37.6% 0.083 111.6)
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 #43386B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.066
- Twilight Blue #0A437A ΔE 0.068
- Prussian Blue #1D3557 ΔE 0.070
- Blueberry #464196 ΔE 0.073
- Marine Blue #01386A ΔE 0.075
- Charcoal #264653 ΔE 0.078
- Cobalt #1E488F ΔE 0.079
Use #43386B 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.