#345655
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.7% 0.04 193.4), rgb(52, 86, 85).
Aa
White text reads best on this color (8.05:1).
About this color
#345655 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.040 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.024 away. White text reads best on it, at 8.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #345655 |
| RGB | rgb(52, 86, 85) |
| HSL | hsl(178, 25%, 27%) |
| OKLCH | oklch(42.7% 0.04 193.4) |
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 #345655 | 8.05:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #345655 | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #345655 text on white | 8.05:1 | AAA | Lc 87.8 | Fine for body text |
| #345655 text on black | 2.60:1 | Fails | Lc -14.3 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C5
oklch(81% 0.024 193.4)
-
Step 400
400
#86A8A7
oklch(70.6% 0.037 194.1)
-
Step 500
500
#689391
oklch(63.1% 0.047 192.4)
-
Step 600
600
#4E7D7C
oklch(55.6% 0.051 194.1)
-
Step 700
700
#3F6A68
oklch(49.2% 0.048 191.9)
-
Step 800
800 (this color)
#345655
oklch(42.7% 0.04 193.4)
-
Step 900
900
#2E4746
oklch(37.7% 0.031 192.8)
-
Step 950
950
#1B2A29
oklch(27.1% 0.02 190.8)
#345655 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) | #525355 | 0.042 |
| Deuteranopia (no green cones) | #4C4E55 | 0.039 |
| Tritanopia (no blue cones) | #265856 | 0.014 |
| Achromatopsia (no color) | #505050 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345655
#345655
oklch(42.7% 0.04 193.4)
- #634649
#634649
oklch(42.7% 0.04 12)
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 #345655, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.024
- Deep Teal #00555A ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.043
- Petrol #005F6A ΔE 0.043
- Dark Blue Green #005249 ΔE 0.046
- Dark Teal #014D4E ΔE 0.052
- Charcoal #264653 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.059
Use #345655 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.