#324C66
Closest named color: Dark Grey Blue (#29465B). oklch(40.7% 0.054 249.3), rgb(50, 76, 102).
Aa
White text reads best on this color (8.89:1).
About this color
#324C66 is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.054 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 8.89:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #324C66 |
| RGB | rgb(50, 76, 102) |
| HSL | hsl(210, 34%, 30%) |
| OKLCH | oklch(40.7% 0.054 249.3) |
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 #324C66 | 8.89:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #324C66 | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #324C66 text on white | 8.89:1 | AAA | Lc 90.3 | Preferred for body text |
| #324C66 text on black | 2.36:1 | Fails | Lc -12.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C3D5
oklch(81% 0.032 249.7)
-
Step 400
400
#89A4C0
oklch(70.8% 0.051 249.5)
-
Step 500
500
#6B8DB0
oklch(63.1% 0.065 249.6)
-
Step 600
600
#52779B
oklch(55.6% 0.07 248.5)
-
Step 700
700
#436485
oklch(49.2% 0.066 249.3)
-
Step 800
800 (this color)
#324C66
oklch(40.7% 0.054 249.3)
-
Step 900
900
#304457
oklch(37.8% 0.041 247.7)
-
Step 950
950
#1C2833
oklch(27.1% 0.026 246.6)
#324C66 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) | #424D67 | 0.022 |
| Deuteranopia (no green cones) | #3B4765 | 0.018 |
| Tritanopia (no blue cones) | #1B5255 | 0.046 |
| Achromatopsia (no color) | #4A4A4A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #324C66
#324C66
oklch(40.7% 0.054 249.3)
- #5D4428
#5D4428
oklch(40.7% 0.054 68.5)
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 #324C66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal #264653 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.044
- Deep Teal #00555A ΔE 0.052
- Light Navy #155084 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.053
- Dark Teal #014D4E ΔE 0.060
Use #324C66 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.