#345D69
Closest named color: Petrol (#005F6A). oklch(45.3% 0.05 218.7), rgb(52, 93, 105).
Aa
White text reads best on this color (7.20:1).
About this color
#345D69 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.050 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.030 away. White text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #345D69 |
| RGB | rgb(52, 93, 105) |
| HSL | hsl(194, 34%, 31%) |
| OKLCH | oklch(45.3% 0.05 218.7) |
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 #345D69 | 7.20:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #345D69 | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #345D69 text on white | 7.20:1 | AAA | Lc 84.9 | Fine for body text |
| #345D69 text on black | 2.91:1 | Fails | Lc -17.1 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC6CD
oklch(81% 0.029 216.5)
-
Step 400
400
#80A8B4
oklch(70.7% 0.047 218.2)
-
Step 500
500
#5F92A2
oklch(63% 0.059 219.7)
-
Step 600
600
#447D8D
oklch(55.7% 0.065 218.1)
-
Step 700
700
#356978
oklch(49.1% 0.06 218.9)
-
Step 800
800 (this color)
#345D69
oklch(45.3% 0.05 218.7)
-
Step 900
900
#294750
oklch(37.8% 0.039 219)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#345D69 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) | #555B6A | 0.043 |
| Deuteranopia (no green cones) | #4D5569 | 0.038 |
| Tritanopia (no blue cones) | #196161 | 0.030 |
| Achromatopsia (no color) | #575757 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345D69
#345D69
oklch(45.3% 0.05 218.7)
- #6F4D42
#6F4D42
oklch(45.4% 0.05 38.7)
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 #345D69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.030
- YInMn Blue #415A77 ΔE 0.032
- Dark Aqua #05696B ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.045
- Slate #516572 ΔE 0.047
- Deep Teal #00555A ΔE 0.051
- Dusty Grape #545775 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #345D69 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.