#43358A
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.136 285.9), rgb(67, 53, 138).
Aa
White text reads best on this color (9.92:1).
About this color
#43358A is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.136 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.023 away. White text reads best on it, at 9.92:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.92:1 |
Values
| HEX | #43358A |
| RGB | rgb(67, 53, 138) |
| HSL | hsl(250, 45%, 37%) |
| OKLCH | oklch(39.4% 0.136 285.9) |
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 #43358A | 9.92:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #43358A | 2.11:1 | Fails | Lc 11.3 | Not readable |
| #43358A text on white | 9.92:1 | AAA | Lc 92.7 | Preferred for body text |
| #43358A text on black | 2.11:1 | Fails | Lc -9.8 | 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
#E8E7FD
oklch(93.5% 0.03 287.9)
-
Step 200
200
#D5D4FE
oklch(88.4% 0.058 286.3)
-
Step 300
300
#BBB7FF
oklch(80.9% 0.101 286.5)
-
Step 400
400
#998FFF
oklch(70.7% 0.16 285.6)
-
Step 500
500
#846DFF
oklch(63.2% 0.208 286)
-
Step 600
600
#704FEE
oklch(55.7% 0.226 286)
-
Step 700
700
#5E3ECF
oklch(49.1% 0.21 285.9)
-
Step 800
800
#4C35A7
oklch(42.7% 0.173 285.7)
-
Step 900
900 (this color)
#43358A
oklch(39.4% 0.136 285.9)
-
Step 950
950
#241D4E
oklch(27% 0.087 285.5)
#43358A 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) | #00458D | 0.071 |
| Deuteranopia (no green cones) | #004088 | 0.069 |
| Tritanopia (no blue cones) | #29495A | 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°).
- #43358A
#43358A
oklch(39.4% 0.136 285.9)
- #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 #43358A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.023
- Blueberry #464196 ΔE 0.035
- Cobalt #1E488F ΔE 0.062
- Rebecca Purple #663399 ΔE 0.069
- Sapphire #2138AB ΔE 0.071
- Imperial Purple #480CA8 ΔE 0.075
- Twilight Blue #0A437A ΔE 0.076
- Twilight #4E518B ΔE 0.079
Use #43358A 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.