#16677C
Closest named color: Dark Aqua (#05696B). oklch(47.7% 0.08 220.1), rgb(22, 103, 124).
Aa
White text reads best on this color (6.43:1).
About this color
#16677C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.080 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.032 away. White text reads best on it, at 6.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #16677C |
| RGB | rgb(22, 103, 124) |
| HSL | hsl(192, 70%, 29%) |
| OKLCH | oklch(47.7% 0.08 220.1) |
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 #16677C | 6.43:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #16677C | 3.26:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #16677C text on white | 6.43:1 | AA | Lc 81.6 | Fine for body text |
| #16677C text on black | 3.26:1 | AA large text | Lc -20.3 | 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 700.
-
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
#A6C7D2
oklch(80.9% 0.039 220)
-
Step 400
400
#74AABB
oklch(70.6% 0.062 219.6)
-
Step 500
500
#4D95AB
oklch(63.2% 0.079 220.2)
-
Step 600
600
#2B7F96
oklch(55.7% 0.086 219.7)
-
Step 700
700 (this color)
#16677C
oklch(47.7% 0.08 220.1)
-
Step 800
800
#1B5768
oklch(42.7% 0.066 220.5)
-
Step 900
900
#1D4855
oklch(37.7% 0.052 220.6)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#16677C 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) | #5A647D | 0.066 |
| Deuteranopia (no green cones) | #4D5A7C | 0.060 |
| Tritanopia (no blue cones) | #006E6E | 0.037 |
| Achromatopsia (no color) | #5F5F5F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16677C
#16677C
oklch(47.7% 0.08 220.1)
- #834C39
#834C39
oklch(47.7% 0.081 39.7)
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 #16677C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.032
- Petrol #005F6A ΔE 0.037
- Peacock Blue #016795 ΔE 0.041
- Denim #3B638C ΔE 0.043
- Deep Turquoise #017374 ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Sea Blue #047495 ΔE 0.049
Use #16677C 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.