#434665
Closest named color: Dark Grey Blue (#29465B). oklch(40.5% 0.052 279.5), rgb(67, 70, 101).
Aa
White text reads best on this color (9.11:1).
About this color
#434665 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.052 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 9.11:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #434665 |
| RGB | rgb(67, 70, 101) |
| HSL | hsl(235, 20%, 33%) |
| OKLCH | oklch(40.5% 0.052 279.5) |
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 #434665 | 9.11:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #434665 | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #434665 text on white | 9.11:1 | AAA | Lc 91.0 | Preferred for body text |
| #434665 text on black | 2.30:1 | Fails | Lc -11.4 | 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
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BCBFD5
oklch(80.9% 0.031 279.5)
-
Step 400
400
#9A9EBF
oklch(70.7% 0.048 279.7)
-
Step 500
500
#8186AF
oklch(63.1% 0.062 279.1)
-
Step 600
600
#6B6F9B
oklch(55.6% 0.068 279.9)
-
Step 700
700
#595D84
oklch(49.1% 0.063 279.3)
-
Step 800
800 (this color)
#434665
oklch(40.5% 0.052 279.5)
-
Step 900
900
#3D3F57
oklch(37.6% 0.041 280.5)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#434665 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) | #3D4966 | 0.012 |
| Deuteranopia (no green cones) | #3B4764 | 0.012 |
| Tritanopia (no blue cones) | #3A4C51 | 0.046 |
| Achromatopsia (no color) | #484848 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434665
#434665
oklch(40.5% 0.052 279.5)
- #504A27
#504A27
oklch(40.6% 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 #434665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Charcoal #264653 ΔE 0.053
- Dusk #4E5481 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.061
- Dusty Grape #545775 ΔE 0.061
- Light Navy #155084 ΔE 0.067
Use #434665 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.