#345565
Closest named color: YInMn Blue (#415A77). oklch(43.1% 0.047 230.2), rgb(52, 85, 101).
Aa
White text reads best on this color (7.97:1).
About this color
#345565 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.047 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.037 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #345565 |
| RGB | rgb(52, 85, 101) |
| HSL | hsl(200, 32%, 30%) |
| OKLCH | oklch(43.1% 0.047 230.2) |
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 #345565 | 7.97:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #345565 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #345565 text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #345565 text on black | 2.63:1 | Fails | Lc -14.6 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE1
oklch(88.5% 0.015 231.2)
-
Step 300
300
#B0C4CF
oklch(80.9% 0.027 231.7)
-
Step 400
400
#85A6B7
oklch(70.6% 0.044 230.5)
-
Step 500
500
#6690A5
oklch(63% 0.056 230.4)
-
Step 600
600
#4C7A90
oklch(55.5% 0.061 229.9)
-
Step 700
700
#3D677B
oklch(49.1% 0.057 230)
-
Step 800
800 (this color)
#345565
oklch(43.1% 0.047 230.2)
-
Step 900
900
#2D4551
oklch(37.6% 0.036 230.6)
-
Step 950
950
#1B2930
oklch(27.1% 0.023 230.3)
#345565 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) | #4D5466 | 0.033 |
| Deuteranopia (no green cones) | #464E65 | 0.030 |
| Tritanopia (no blue cones) | #1E5A5A | 0.035 |
| Achromatopsia (no color) | #515151 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345565
#345565
oklch(43.1% 0.047 230.2)
- #654939
#654939
oklch(43.1% 0.046 50.9)
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 #345565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.039
- Petrol #005F6A ΔE 0.040
- Deep Teal #00555A ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.051
- Dusty Grape #545775 ΔE 0.053
- Charcoal #264653 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.056
Use #345565 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.