#345365
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.047 234.9), rgb(52, 83, 101).
Aa
White text reads best on this color (8.16:1).
About this color
#345365 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.047 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.038 away. White text reads best on it, at 8.16:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.57:1 |
| White text | 8.16:1 |
Values
| HEX | #345365 |
| RGB | rgb(52, 83, 101) |
| HSL | hsl(202, 32%, 30%) |
| OKLCH | oklch(42.6% 0.047 234.9) |
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 #345365 | 8.16:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #345365 | 2.57:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #345365 text on white | 8.16:1 | AAA | Lc 88.2 | Fine for body text |
| #345365 text on black | 2.57:1 | Fails | Lc -14.0 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B0C4D0
oklch(80.9% 0.028 234.1)
-
Step 400
400
#86A6B9
oklch(70.8% 0.045 234.3)
-
Step 500
500
#688FA7
oklch(63% 0.056 235.9)
-
Step 600
600
#4E7992
oklch(55.5% 0.061 235)
-
Step 700
700
#3F667D
oklch(49.1% 0.058 235.5)
-
Step 800
800 (this color)
#345365
oklch(42.6% 0.047 234.9)
-
Step 900
900
#2E4553
oklch(37.7% 0.037 235.8)
-
Step 950
950
#1B2830
oklch(26.9% 0.023 235.8)
#345365 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) | #4B5266 | 0.031 |
| Deuteranopia (no green cones) | #444D65 | 0.027 |
| Tritanopia (no blue cones) | #1E5859 | 0.037 |
| Achromatopsia (no color) | #4F4F4F | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345365
#345365
oklch(42.6% 0.047 234.9)
- #634835
#634835
oklch(42.6% 0.047 56.2)
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 #345365, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Deep Teal #00555A ΔE 0.043
- Petrol #005F6A ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.045
- Charcoal #264653 ΔE 0.051
- Dusty Grape #545775 ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.056
Use #345365 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.