#345665
Closest named color: YInMn Blue (#415A77). oklch(43.3% 0.047 227.9), rgb(52, 86, 101).
Aa
White text reads best on this color (7.87:1).
About this color
#345665 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.047 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.036 away. White text reads best on it, at 7.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #345665 |
| RGB | rgb(52, 86, 101) |
| HSL | hsl(198, 32%, 30%) |
| OKLCH | oklch(43.3% 0.047 227.9) |
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 #345665 | 7.87:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #345665 | 2.66:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #345665 text on white | 7.87:1 | AAA | Lc 87.3 | Fine for body text |
| #345665 text on black | 2.66:1 | Fails | Lc -14.9 | 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
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC5CF
oklch(81% 0.028 226.9)
-
Step 400
400
#85A7B6
oklch(70.8% 0.043 226.6)
-
Step 500
500
#6591A4
oklch(63.2% 0.056 226.7)
-
Step 600
600
#4B7B8F
oklch(55.7% 0.061 226.5)
-
Step 700
700
#3C677A
oklch(49% 0.057 228.2)
-
Step 800
800 (this color)
#345665
oklch(43.3% 0.047 227.9)
-
Step 900
900
#2C4651
oklch(37.8% 0.037 226.5)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#345665 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) | #4E5566 | 0.035 |
| Deuteranopia (no green cones) | #474F65 | 0.031 |
| Tritanopia (no blue cones) | #1E5A5B | 0.032 |
| Achromatopsia (no color) | #515151 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345665
#345665
oklch(43.3% 0.047 227.9)
- #66493A
#66493A
oklch(43.3% 0.046 48.4)
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 #345665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.036
- Petrol #005F6A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.039
- Deep Teal #00555A ΔE 0.042
- Dusty Grape #545775 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.057
Use #345665 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.