#434565
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.054 280.9), rgb(67, 69, 101).
Aa
White text reads best on this color (9.21:1).
About this color
#434565 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.054 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.042 away. White text reads best on it, at 9.21:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #434565 |
| RGB | rgb(67, 69, 101) |
| HSL | hsl(236, 20%, 33%) |
| OKLCH | oklch(40.3% 0.054 280.9) |
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 #434565 | 9.21:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #434565 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #434565 text on white | 9.21:1 | AAA | Lc 91.2 | Preferred for body text |
| #434565 text on black | 2.27:1 | Fails | Lc -11.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D7D8E5
oklch(88.5% 0.018 282.5)
-
Step 300
300
#BCBFD5
oklch(80.9% 0.031 279.5)
-
Step 400
400
#9A9EC0
oklch(70.8% 0.05 279.8)
-
Step 500
500
#8285B0
oklch(63% 0.065 281.3)
-
Step 600
600
#6C6F9C
oklch(55.7% 0.07 280.9)
-
Step 700
700
#5A5C85
oklch(49% 0.065 281.5)
-
Step 800
800 (this color)
#434565
oklch(40.3% 0.054 280.9)
-
Step 900
900
#3D3F58
oklch(37.7% 0.043 280.6)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#434565 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) | #3C4966 | 0.015 |
| Deuteranopia (no green cones) | #3A4664 | 0.014 |
| Tritanopia (no blue cones) | #3A4B50 | 0.048 |
| Achromatopsia (no color) | #474747 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434565
#434565
oklch(40.3% 0.054 280.9)
- #4F4926
#4F4926
oklch(40.2% 0.053 99.8)
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 #434565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal #264653 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.061
- Dusk #4E5481 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.063
- YInMn Blue #415A77 ΔE 0.063
- Dusty Grape #545775 ΔE 0.064
- Light Navy #155084 ΔE 0.068
Use #434565 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.