#434A6A
Closest named color: Dark Grey Blue (#29465B). oklch(41.7% 0.054 274.3), rgb(67, 74, 106).
Aa
White text reads best on this color (8.65:1).
About this color
#434A6A is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.054 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.047 away. White text reads best on it, at 8.65:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #434A6A |
| RGB | rgb(67, 74, 106) |
| HSL | hsl(229, 23%, 34%) |
| OKLCH | oklch(41.7% 0.054 274.3) |
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 #434A6A | 8.65:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #434A6A | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #434A6A text on white | 8.65:1 | AAA | Lc 89.7 | Fine for body text |
| #434A6A text on black | 2.42:1 | Fails | Lc -12.6 | 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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D9E5
oklch(88.6% 0.017 271.2)
-
Step 300
300
#BAC0D6
oklch(81% 0.032 273.6)
-
Step 400
400
#969FC1
oklch(70.7% 0.051 273.4)
-
Step 500
500
#7D87B1
oklch(63.1% 0.064 274)
-
Step 600
600
#66709D
oklch(55.5% 0.071 274.2)
-
Step 700
700
#555E86
oklch(49.1% 0.065 274)
-
Step 800
800 (this color)
#434A6A
oklch(41.7% 0.054 274.3)
-
Step 900
900
#3B4058
oklch(37.7% 0.042 275.1)
-
Step 950
950
#222634
oklch(27.1% 0.027 272.1)
#434A6A 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) | #404D6B | 0.009 |
| Deuteranopia (no green cones) | #3D4A69 | 0.009 |
| Tritanopia (no blue cones) | #385055 | 0.049 |
| Achromatopsia (no color) | #4C4C4C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434A6A
#434A6A
oklch(41.7% 0.054 274.3)
- #564C28
#564C28
oklch(41.8% 0.055 94.3)
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 #434A6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Dusk #4E5481 ΔE 0.048
- Dusty Grape #545775 ΔE 0.050
- Charcoal #264653 ΔE 0.058
- Twilight #4E518B ΔE 0.059
- Light Navy #155084 ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #434A6A 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.