#105166
Closest named color: Deep Teal (#00555A). oklch(40.6% 0.07 225), rgb(16, 81, 102).
Aa
White text reads best on this color (8.78:1).
About this color
#105166 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.028 away. White text reads best on it, at 8.78:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.39:1 |
| White text | 8.78:1 |
Values
| HEX | #105166 |
| RGB | rgb(16, 81, 102) |
| HSL | hsl(195, 73%, 23%) |
| OKLCH | oklch(40.6% 0.07 225) |
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 #105166 | 8.78:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #105166 | 2.39:1 | Fails | Lc 14.3 | Not readable |
| #105166 text on white | 8.78:1 | AAA | Lc 89.7 | Fine for body text |
| #105166 text on black | 2.39:1 | Fails | Lc -12.5 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A5C7D5
oklch(80.9% 0.041 224.8)
-
Step 400
400
#73AAC0
oklch(70.8% 0.066 225)
-
Step 500
500
#4A94B0
oklch(63% 0.085 225.3)
-
Step 600
600
#277E9C
oklch(55.6% 0.092 225.5)
-
Step 700
700
#186A85
oklch(49% 0.085 225.5)
-
Step 800
800 (this color)
#105166
oklch(40.6% 0.07 225)
-
Step 900
900
#1C4858
oklch(37.8% 0.055 225.1)
-
Step 950
950
#122A33
oklch(27% 0.034 224.8)
#105166 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) | #454F67 | 0.053 |
| Deuteranopia (no green cones) | #3A4766 | 0.047 |
| Tritanopia (no blue cones) | #005758 | 0.036 |
| Achromatopsia (no color) | #4B4B4B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #105166
#105166
oklch(40.6% 0.07 225)
- #693C28
#693C28
oklch(40.6% 0.071 44.3)
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 #105166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.028
- Dark Grey Blue #29465B ΔE 0.037
- Charcoal #264653 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.042
- Dark Teal #014D4E ΔE 0.042
- Petrol #005F6A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.046
- Light Navy #155084 ΔE 0.053
Use #105166 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.