#345561
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.9% 0.043 223.1), rgb(52, 85, 97).
Aa
White text reads best on this color (8.02:1).
About this color
#345561 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.043 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.033 away. White text reads best on it, at 8.02:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #345561 |
| RGB | rgb(52, 85, 97) |
| HSL | hsl(196, 30%, 29%) |
| OKLCH | oklch(42.9% 0.043 223.1) |
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 #345561 | 8.02:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #345561 | 2.61:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #345561 text on white | 8.02:1 | AAA | Lc 87.7 | Fine for body text |
| #345561 text on black | 2.61:1 | Fails | Lc -14.4 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CD
oklch(81% 0.026 222.7)
-
Step 400
400
#86A7B3
oklch(70.8% 0.04 222)
-
Step 500
500
#6791A1
oklch(63.2% 0.052 223.6)
-
Step 600
600
#4D7B8C
oklch(55.6% 0.057 223.5)
-
Step 700
700
#3E6776
oklch(49% 0.052 223.4)
-
Step 800
800 (this color)
#345561
oklch(42.9% 0.043 223.1)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#345561 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) | #4E5362 | 0.035 |
| Deuteranopia (no green cones) | #474E61 | 0.032 |
| Tritanopia (no blue cones) | #205959 | 0.029 |
| Achromatopsia (no color) | #505050 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345561
#345561
oklch(42.9% 0.043 223.1)
- #64483C
#64483C
oklch(42.9% 0.043 44.2)
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 #345561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.033
- Deep Teal #00555A ΔE 0.039
- Petrol #005F6A ΔE 0.039
- YInMn Blue #415A77 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.051
- Charcoal #264653 ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.055
- Dusty Grape #545775 ΔE 0.058
Use #345561 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.