#345C7F
Closest named color: YInMn Blue (#415A77). oklch(46.1% 0.073 246.6), rgb(52, 92, 127).
Aa
White text reads best on this color (7.03:1).
About this color
#345C7F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.073 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.018 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #345C7F |
| RGB | rgb(52, 92, 127) |
| HSL | hsl(208, 42%, 35%) |
| OKLCH | oklch(46.1% 0.073 246.6) |
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 #345C7F | 7.03:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #345C7F | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #345C7F text on white | 7.03:1 | AAA | Lc 84.3 | Fine for body text |
| #345C7F text on black | 2.98:1 | Fails | Lc -17.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#84A5C2
oklch(70.8% 0.056 245.2)
-
Step 500
500
#658EB3
oklch(63.1% 0.072 246.5)
-
Step 600
600
#4B789F
oklch(55.7% 0.079 246)
-
Step 700
700 (this color)
#345C7F
oklch(46.1% 0.073 246.6)
-
Step 800
800
#32526E
oklch(42.6% 0.06 246.2)
-
Step 900
900
#2C4459
oklch(37.6% 0.047 245.9)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#345C7F 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) | #4D5D81 | 0.031 |
| Deuteranopia (no green cones) | #43557E | 0.025 |
| Tritanopia (no blue cones) | #006468 | 0.060 |
| Achromatopsia (no color) | #595959 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345C7F
#345C7F
oklch(46.1% 0.073 246.6)
- #745028
#745028
oklch(46.2% 0.074 67.1)
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 #345C7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.018
- Denim #3B638C ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.034
- Dusk #4E5481 ΔE 0.039
- Dusty Grape #545775 ΔE 0.042
- Dusk Blue #26538D ΔE 0.043
- Dusky Blue #475F94 ΔE 0.043
Use #345C7F 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.