#433E8E
Closest named color: Dark Slate Blue (#483D8B). oklch(41.4% 0.128 282), rgb(67, 62, 142).
Aa
White text reads best on this color (9.05:1).
About this color
#433E8E is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.128 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.009 away. White text reads best on it, at 9.05:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #433E8E |
| RGB | rgb(67, 62, 142) |
| HSL | hsl(244, 39%, 40%) |
| OKLCH | oklch(41.4% 0.128 282) |
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 #433E8E | 9.05:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #433E8E | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #433E8E text on white | 9.05:1 | AAA | Lc 90.6 | Preferred for body text |
| #433E8E text on black | 2.31:1 | Fails | Lc -11.7 | 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 800.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D4D6F5
oklch(88.4% 0.043 282.6)
-
Step 300
300
#B8BBF1
oklch(80.8% 0.076 282.1)
-
Step 400
400
#9597E9
oklch(70.8% 0.119 281.8)
-
Step 500
500
#7D7AE3
oklch(63.1% 0.154 282.3)
-
Step 600
600
#6761D0
oklch(55.6% 0.166 282)
-
Step 700
700
#564FB4
oklch(49% 0.155 282.2)
-
Step 800
800 (this color)
#433E8E
oklch(41.4% 0.128 282)
-
Step 900
900
#3A3874
oklch(37.5% 0.1 281.9)
-
Step 950
950
#222144
oklch(26.9% 0.064 282.5)
#433E8E 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) | #0C4B91 | 0.060 |
| Deuteranopia (no green cones) | #01468C | 0.062 |
| Tritanopia (no blue cones) | #255060 | 0.109 |
| Achromatopsia (no color) | #494949 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433E8E
#433E8E
oklch(41.4% 0.128 282)
- #554D00
#554D00
oklch(41.5% 0.087 102.6)
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 #433E8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.009
- Blueberry #464196 ΔE 0.016
- Cobalt #1E488F ΔE 0.048
- Twilight #4E518B ΔE 0.057
- Dusk Blue #26538D ΔE 0.063
- Rebecca Purple #663399 ΔE 0.067
- Sapphire #2138AB ΔE 0.068
- Light Navy #155084 ΔE 0.069
Use #433E8E 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.