#43368B
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.136 285.4), rgb(67, 54, 139).
Aa
White text reads best on this color (9.81:1).
About this color
#43368B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.136 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.020 away. White text reads best on it, at 9.81:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.81:1 |
Values
| HEX | #43368B |
| RGB | rgb(67, 54, 139) |
| HSL | hsl(249, 44%, 38%) |
| OKLCH | oklch(39.7% 0.136 285.4) |
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 #43368B | 9.81:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #43368B | 2.13:1 | Fails | Lc 11.5 | Not readable |
| #43368B text on white | 9.81:1 | AAA | Lc 92.4 | Preferred for body text |
| #43368B text on black | 2.13:1 | Fails | Lc -10.0 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E8FD
oklch(93.7% 0.028 283.7)
-
Step 200
200
#D5D5FE
oklch(88.6% 0.056 285.2)
-
Step 300
300
#BAB8FF
oklch(81% 0.1 285.2)
-
Step 400
400
#998FFF
oklch(70.7% 0.16 285.6)
-
Step 500
500
#826DFF
oklch(63% 0.208 285.3)
-
Step 600
600
#6F4FEE
oklch(55.6% 0.226 285.7)
-
Step 700
700
#5D3ECF
oklch(49% 0.21 285.5)
-
Step 800
800
#4C35A8
oklch(42.8% 0.174 285.5)
-
Step 900
900 (this color)
#43368B
oklch(39.7% 0.136 285.4)
-
Step 950
950
#241D4E
oklch(27% 0.087 285.5)
#43368B 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) | #00468E | 0.070 |
| Deuteranopia (no green cones) | #004189 | 0.068 |
| Tritanopia (no blue cones) | #284A5B | 0.114 |
| Achromatopsia (no color) | #434343 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43368B
#43368B
oklch(39.7% 0.136 285.4)
- #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 #43368B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.020
- Blueberry #464196 ΔE 0.033
- Cobalt #1E488F ΔE 0.060
- Rebecca Purple #663399 ΔE 0.068
- Sapphire #2138AB ΔE 0.069
- Twilight Blue #0A437A ΔE 0.075
- Imperial Purple #480CA8 ΔE 0.076
- Twilight #4E518B ΔE 0.076
Use #43368B 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.