#105565
Closest named color: Deep Teal (#00555A). oklch(41.7% 0.069 217.8), rgb(16, 85, 101).
Aa
White text reads best on this color (8.36:1).
About this color
#105565 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.069 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.021 away. White text reads best on it, at 8.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #105565 |
| RGB | rgb(16, 85, 101) |
| HSL | hsl(191, 73%, 23%) |
| OKLCH | oklch(41.7% 0.069 217.8) |
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 #105565 | 8.36:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #105565 | 2.50:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #105565 text on white | 8.36:1 | AAA | Lc 88.5 | Fine for body text |
| #105565 text on black | 2.50:1 | Fails | Lc -13.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A4C8D2
oklch(81% 0.041 216.5)
-
Step 400
400
#71ABBB
oklch(70.7% 0.065 217)
-
Step 500
500
#4896AB
oklch(63.2% 0.082 217.9)
-
Step 600
600
#228096
oklch(55.7% 0.09 217.4)
-
Step 700
700
#126C80
oklch(49.2% 0.083 217.6)
-
Step 800
800 (this color)
#105565
oklch(41.7% 0.069 217.8)
-
Step 900
900
#1A4854
oklch(37.6% 0.053 217.9)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#105565 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 | 0.060 |
| Deuteranopia (no green cones) | #3F4A65 | 0.053 |
| Tritanopia (no blue cones) | #005A5A | 0.029 |
| Achromatopsia (no color) | #4E4E4E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #105565
#105565
oklch(41.7% 0.069 217.8)
- #6C3E30
#6C3E30
oklch(41.6% 0.069 37.7)
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 #105565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.021
- Petrol #005F6A ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Teal #014D4E ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.047
- Dark Blue Green #005249 ΔE 0.048
- Charcoal #264653 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.050
Use #105565 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.