#433D7E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.106 284.7), rgb(67, 61, 126).
Aa
White text reads best on this color (9.51:1).
About this color
#433D7E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.106 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.023 away. White text reads best on it, at 9.51:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #433D7E |
| RGB | rgb(67, 61, 126) |
| HSL | hsl(246, 35%, 37%) |
| OKLCH | oklch(40.1% 0.106 284.7) |
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 #433D7E | 9.51:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #433D7E | 2.20:1 | Fails | Lc 12.1 | Not readable |
| #433D7E text on white | 9.51:1 | AAA | Lc 91.8 | Preferred for body text |
| #433D7E text on black | 2.20:1 | Fails | Lc -10.6 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF3
oklch(80.9% 0.08 284.5)
-
Step 400
400
#9894ED
oklch(70.6% 0.128 284.7)
-
Step 500
500
#8177E7
oklch(63.1% 0.164 284.7)
-
Step 600
600
#6C5DD5
oklch(55.6% 0.178 284.7)
-
Step 700
700
#5A4CB8
oklch(49.1% 0.164 284.5)
-
Step 800
800
#4A3F95
oklch(42.7% 0.136 284.9)
-
Step 900
900 (this color)
#433D7E
oklch(40.1% 0.106 284.7)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#433D7E 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) | #214780 | 0.048 |
| Deuteranopia (no green cones) | #1E447D | 0.049 |
| Tritanopia (no blue cones) | #304B57 | 0.091 |
| Achromatopsia (no color) | #454545 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433D7E
#433D7E
oklch(40.1% 0.106 284.7)
- #4F4A00
#4F4A00
oklch(40.1% 0.085 105.2)
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 #433D7E, 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 0.041
- Cobalt #1E488F ΔE 0.055
- Twilight #4E518B ΔE 0.061
- Twilight Blue #0A437A ΔE 0.062
- Light Navy #155084 ΔE 0.067
- Dusk Blue #26538D ΔE 0.067
- Dusk #4E5481 ΔE 0.069
Use #433D7E 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.