#43368D
Closest named color: Dark Slate Blue (#483D8B). oklch(39.9% 0.138 285.1), rgb(67, 54, 141).
Aa
White text reads best on this color (9.76:1).
About this color
#43368D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.138 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.021 away. White text reads best on it, at 9.76:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #43368D |
| RGB | rgb(67, 54, 141) |
| HSL | hsl(249, 45%, 38%) |
| OKLCH | oklch(39.9% 0.138 285.1) |
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 #43368D | 9.76:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #43368D | 2.15:1 | Fails | Lc 11.7 | Not readable |
| #43368D text on white | 9.76:1 | AAA | Lc 92.3 | Preferred for body text |
| #43368D text on black | 2.15:1 | Fails | Lc -10.1 | 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
#E7E8FE
oklch(93.7% 0.03 283.7)
-
Step 200
200
#D4D5FF
oklch(88.6% 0.058 284.1)
-
Step 300
300
#BAB8FF
oklch(81% 0.1 285.2)
-
Step 400
400
#988FFF
oklch(70.7% 0.16 285.2)
-
Step 500
500
#826EFF
oklch(63.2% 0.207 285.1)
-
Step 600
600
#6E4EF1
oklch(55.6% 0.231 285.1)
-
Step 700
700
#5D3DD2
oklch(49.2% 0.215 285.2)
-
Step 800
800
#4B34A9
oklch(42.6% 0.177 285.1)
-
Step 900
900 (this color)
#43368D
oklch(39.9% 0.138 285.1)
-
Step 950
950
#241D4F
oklch(27.1% 0.088 285.2)
#43368D 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) | #004690 | 0.070 |
| Deuteranopia (no green cones) | #00418B | 0.068 |
| Tritanopia (no blue cones) | #274A5C | 0.115 |
| Achromatopsia (no color) | #444444 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43368D
#43368D
oklch(39.9% 0.138 285.1)
- #4E4900
#4E4900
oklch(39.8% 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 #43368D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.021
- Blueberry #464196 ΔE 0.031
- Cobalt #1E488F ΔE 0.060
- Rebecca Purple #663399 ΔE 0.067
- Sapphire #2138AB ΔE 0.067
- Imperial Purple #480CA8 ΔE 0.074
- Twilight Blue #0A437A ΔE 0.076
- Twilight #4E518B ΔE 0.077
Use #43368D 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.