#345474
Closest named color: YInMn Blue (#415A77). oklch(43.6% 0.065 249.5), rgb(52, 84, 116).
Aa
White text reads best on this color (7.87:1).
About this color
#345474 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.065 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #345474 |
| RGB | rgb(52, 84, 116) |
| HSL | hsl(210, 38%, 33%) |
| OKLCH | oklch(43.6% 0.065 249.5) |
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 #345474 | 7.87:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #345474 | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #345474 text on white | 7.87:1 | AAA | Lc 87.2 | Fine for body text |
| #345474 text on black | 2.66:1 | Fails | Lc -14.9 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400
#84A4C6
oklch(70.7% 0.061 250.2)
-
Step 500
500
#648DB7
oklch(63% 0.078 249.7)
-
Step 600
600
#4B77A3
oklch(55.6% 0.084 249.6)
-
Step 700
700
#3C648C
oklch(49.2% 0.079 249.7)
-
Step 800
800 (this color)
#345474
oklch(43.6% 0.065 249.5)
-
Step 900
900
#2C445C
oklch(37.8% 0.051 249.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#345474 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) | #475575 | 0.025 |
| Deuteranopia (no green cones) | #3F4F73 | 0.019 |
| Tritanopia (no blue cones) | #105B5F | 0.056 |
| Achromatopsia (no color) | #515151 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345474
#345474
oklch(43.6% 0.065 249.5)
- #694B27
#694B27
oklch(43.7% 0.065 69.7)
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 #345474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy #155084 ΔE 0.041
- Dusk #4E5481 ΔE 0.042
- Dusk Blue #26538D ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- Petrol #005F6A ΔE 0.052
Use #345474 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.