#17786E
Closest named color: Bluegreen (#017A79). oklch(51.8% 0.086 184.3), rgb(23, 120, 110).
Aa
White text reads best on this color (5.31:1).
About this color
#17786E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.086 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.016 away. White text reads best on it, at 5.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.94:1 |
| White text | 5.31:1 |
Values
| HEX | #17786E |
| RGB | rgb(23, 120, 110) |
| HSL | hsl(174, 68%, 28%) |
| OKLCH | oklch(51.8% 0.086 184.3) |
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 #17786E | 5.31:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #17786E | 3.94:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #17786E text on white | 5.31:1 | AA | Lc 76.1 | Fine for body text |
| #17786E text on black | 3.94:1 | AA large text | Lc -25.7 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A4CAC4
oklch(81% 0.041 184.7)
-
Step 400
400
#70AEA5
oklch(70.6% 0.066 184.3)
-
Step 500
500
#449A8F
oklch(63% 0.085 184.1)
-
Step 600
600
#1A857A
oklch(55.7% 0.092 184.3)
-
Step 700
700 (this color)
#17786E
oklch(51.8% 0.086 184.3)
-
Step 800
800
#0E5B53
oklch(42.6% 0.071 184.1)
-
Step 900
900
#174B45
oklch(37.7% 0.055 184.5)
-
Step 950
950
#102C28
oklch(27% 0.035 183.1)
#17786E 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) | #72716E | 0.091 |
| Deuteranopia (no green cones) | #65676F | 0.087 |
| Tritanopia (no blue cones) | #007B75 | 0.012 |
| Achromatopsia (no color) | #6B6B6B | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17786E
#17786E
oklch(51.8% 0.086 184.3)
- #915262
#915262
oklch(51.7% 0.086 4.2)
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 #17786E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.016
- Dark Aquamarine #017371 ΔE 0.020
- Deep Turquoise #017374 ΔE 0.022
- Deep Aqua #08787F ΔE 0.027
- Teal #008080 ΔE 0.031
- Dark Aqua #05696B ΔE 0.049
- Ocean #017B92 ΔE 0.056
- Dark Cyan #008B8B ΔE 0.063
Use #17786E 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.