#43348C
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.14 285.9), rgb(67, 52, 140).
Aa
White text reads best on this color (9.95:1).
About this color
#43348C is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.140 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #43348C |
| RGB | rgb(67, 52, 140) |
| HSL | hsl(250, 46%, 38%) |
| OKLCH | oklch(39.4% 0.14 285.9) |
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 #43348C | 9.95:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #43348C | 2.10:1 | Fails | Lc 11.2 | Not readable |
| #43348C text on white | 9.95:1 | AAA | Lc 92.7 | Preferred for body text |
| #43348C text on black | 2.10:1 | Fails | Lc -9.7 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E7FE
oklch(93.5% 0.031 285.8)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300
#BAB7FF
oklch(80.8% 0.101 285.8)
-
Step 400
400
#998FFF
oklch(70.7% 0.16 285.6)
-
Step 500
500
#836DFF
oklch(63.1% 0.208 285.7)
-
Step 600
600
#704CF2
oklch(55.6% 0.234 285.9)
-
Step 700
700
#5E3BD2
oklch(49% 0.217 285.9)
-
Step 800
800
#4C33AA
oklch(42.7% 0.179 285.6)
-
Step 900
900 (this color)
#43348C
oklch(39.4% 0.14 285.9)
-
Step 950
950
#241D4F
oklch(27.1% 0.088 285.2)
#43348C 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) | #00458F | 0.071 |
| Deuteranopia (no green cones) | #00408A | 0.070 |
| Tritanopia (no blue cones) | #28495B | 0.116 |
| Achromatopsia (no color) | #434343 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43348C
#43348C
oklch(39.4% 0.14 285.9)
- #4D4800
#4D4800
oklch(39.4% 0.084 105.1)
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 #43348C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.036
- Cobalt #1E488F ΔE 0.064
- Rebecca Purple #663399 ΔE 0.068
- Sapphire #2138AB ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.071
- Indigo Blue #3A18B1 ΔE 0.077
- Twilight Blue #0A437A ΔE 0.078
Use #43348C 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.