#17816B
Closest named color: Teal (#008080). oklch(54.1% 0.097 174.3), rgb(23, 129, 107).
Aa
White text reads best on this color (4.78:1).
About this color
#17816B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.097 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.034 away. White text reads best on it, at 4.78:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #17816B |
| RGB | rgb(23, 129, 107) |
| HSL | hsl(168, 70%, 30%) |
| OKLCH | oklch(54.1% 0.097 174.3) |
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 #17816B | 4.78:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #17816B | 4.38:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #17816B text on white | 4.78:1 | AA | Lc 72.8 | Content text, not long reading |
| #17816B text on black | 4.38:1 | AA large text | Lc -28.9 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADFD8
oklch(88.6% 0.024 173.8)
-
Step 300
300
#A4CABF
oklch(80.8% 0.043 175.7)
-
Step 400
400
#71AF9D
oklch(70.7% 0.07 173.9)
-
Step 500
500
#469B86
oklch(63.1% 0.089 174.7)
-
Step 600
600 (this color)
#17816B
oklch(54.1% 0.097 174.3)
-
Step 700
700
#0C715D
oklch(49.1% 0.09 174.3)
-
Step 800
800
#125C4C
oklch(42.7% 0.074 174.3)
-
Step 900
900
#194C3F
oklch(37.8% 0.059 173.3)
-
Step 950
950
#102C25
oklch(26.9% 0.037 174.8)
#17816B 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) | #7C786A | 0.101 |
| Deuteranopia (no green cones) | #6F6E6D | 0.097 |
| Tritanopia (no blue cones) | #00837B | 0.023 |
| Achromatopsia (no color) | #727272 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17816B
#17816B
oklch(54.1% 0.097 174.3)
- #9A5672
#9A5672
oklch(54.1% 0.096 354.6)
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 #17816B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.034
- Bluegreen #017A79 ΔE 0.036
- Deep Aqua #08787F ΔE 0.049
- Dark Cyan #008B8B ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.052
- Viridian #1E9167 ΔE 0.053
Use #17816B 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.