#434576
Closest named color: Dark Slate Blue (#483D8B). oklch(41.2% 0.081 280.4), rgb(67, 69, 118).
Aa
White text reads best on this color (8.93:1).
About this color
#434576 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.081 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 8.93:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.35:1 |
| White text | 8.93:1 |
Values
| HEX | #434576 |
| RGB | rgb(67, 69, 118) |
| HSL | hsl(238, 28%, 36%) |
| OKLCH | oklch(41.2% 0.081 280.4) |
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 #434576 | 8.93:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #434576 | 2.35:1 | Fails | Lc 13.6 | Not readable |
| #434576 text on white | 8.93:1 | AAA | Lc 90.4 | Preferred for body text |
| #434576 text on black | 2.35:1 | Fails | Lc -11.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#BABEDF
oklch(80.9% 0.047 279.8)
-
Step 400
400
#979CD0
oklch(70.8% 0.076 280)
-
Step 500
500
#7E82C3
oklch(63% 0.097 280.5)
-
Step 600
600
#686BB0
oklch(55.6% 0.106 280.5)
-
Step 700
700
#575997
oklch(49.1% 0.098 280.7)
-
Step 800
800 (this color)
#434576
oklch(41.2% 0.081 280.4)
-
Step 900
900
#3B3D63
oklch(37.6% 0.065 280.5)
-
Step 950
950
#23243A
oklch(27% 0.041 281.3)
#434576 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) | #344B78 | 0.025 |
| Deuteranopia (no green cones) | #314875 | 0.026 |
| Tritanopia (no blue cones) | #334F58 | 0.071 |
| Achromatopsia (no color) | #4A4A4A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434576
#434576
oklch(41.2% 0.081 280.4)
- #554C09
#554C09
oklch(41.3% 0.082 101)
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 #434576, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight #4E518B ΔE 0.049
- Dusk #4E5481 ΔE 0.049
- Light Navy #155084 ΔE 0.055
- Dusk Blue #26538D ΔE 0.056
- Blueberry #464196 ΔE 0.056
- Cobalt #1E488F ΔE 0.058
- Twilight Blue #0A437A ΔE 0.061
Use #434576 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.