#43297A
Closest named color: Dark Slate Blue (#483D8B). oklch(36.1% 0.131 293.5), rgb(67, 41, 122).
Aa
White text reads best on this color (11.43:1).
About this color
#43297A is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.131 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 0.056 away. White text reads best on it, at 11.43:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.83:1 |
| White text | 11.43:1 |
Values
| HEX | #43297A |
| RGB | rgb(67, 41, 122) |
| HSL | hsl(259, 50%, 32%) |
| OKLCH | oklch(36.1% 0.131 293.5) |
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 #43297A | 11.43:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #43297A | 1.83:1 | Fails | Lc 8.0 | Not readable |
| #43297A text on white | 11.43:1 | AAA | Lc 95.9 | Preferred for body text |
| #43297A text on black | 1.83:1 | Fails | Lc 0.0 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DAD3FB
oklch(88.5% 0.055 293.3)
-
Step 300
300
#C3B5FB
oklch(81% 0.098 293.2)
-
Step 400
400
#A68BF8
oklch(70.7% 0.156 293.4)
-
Step 500
500
#9369F5
oklch(63.2% 0.201 293.7)
-
Step 600
600
#7E4BE4
oklch(55.6% 0.219 293.3)
-
Step 700
700
#6B3AC6
oklch(49.1% 0.204 293.5)
-
Step 800
800
#5732A0
oklch(42.7% 0.168 293.5)
-
Step 900
900 (this color)
#43297A
oklch(36.1% 0.131 293.5)
-
Step 950
950
#291C4A
oklch(27% 0.082 293.1)
#43297A 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) | #003B7D | 0.082 |
| Deuteranopia (no green cones) | #003878 | 0.082 |
| Tritanopia (no blue cones) | #343C4D | 0.104 |
| Achromatopsia (no color) | #3A3A3A | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43297A
#43297A
oklch(36.1% 0.131 293.5)
- #3E4100
#3E4100
oklch(36% 0.08 112.7)
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 #43297A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Indigo #4B0082 ΔE 0.057
- Royal Purple #4B006E ΔE 0.066
- Blueberry #464196 ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.083
- Rebecca Purple #663399 ΔE 0.088
- Twilight Blue #0A437A ΔE 0.088
- Midnight Blue #191970 ΔE 0.089
Use #43297A 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.