#43308D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.147 286.8), rgb(67, 48, 141).
Aa
White text reads best on this color (10.26:1).
About this color
#43308D is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.147 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 10.26:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #43308D |
| RGB | rgb(67, 48, 141) |
| HSL | hsl(252, 49%, 37%) |
| OKLCH | oklch(38.8% 0.147 286.8) |
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 #43308D | 10.26:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #43308D | 2.04:1 | Fails | Lc 10.6 | Not readable |
| #43308D text on white | 10.26:1 | AAA | Lc 93.4 | Preferred for body text |
| #43308D text on black | 2.04:1 | Fails | Lc -9.1 | 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
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9B8EFF
oklch(70.7% 0.161 286.8)
-
Step 500
500
#866CFF
oklch(63.2% 0.209 286.9)
-
Step 600
600
#7347F7
oklch(55.6% 0.245 287)
-
Step 700
700
#6136D7
oklch(49.1% 0.227 286.9)
-
Step 800
800
#4F2FAE
oklch(42.8% 0.188 287)
-
Step 900
900 (this color)
#43308D
oklch(38.8% 0.147 286.8)
-
Step 950
950
#251B50
oklch(26.9% 0.093 287.1)
#43308D 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) | #004390 | 0.075 |
| Deuteranopia (no green cones) | #003E8B | 0.072 |
| Tritanopia (no blue cones) | #27475A | 0.121 |
| Achromatopsia (no color) | #414141 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43308D
#43308D
oklch(38.8% 0.147 286.8)
- #4A4700
#4A4700
oklch(38.8% 0.083 106.9)
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 #43308D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.044
- Imperial Purple #480CA8 ΔE 0.064
- Sapphire #2138AB ΔE 0.069
- Rebecca Purple #663399 ΔE 0.069
- Cobalt #1E488F ΔE 0.071
- Indigo Blue #3A18B1 ΔE 0.071
- Indigo #4B0082 ΔE 0.073
Use #43308D 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.