#17685C
Closest named color: Dark Green Blue (#1F6357). oklch(46.7% 0.077 180.4), rgb(23, 104, 92).
Aa
White text reads best on this color (6.62:1).
About this color
#17685C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.077 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.015 away. White text reads best on it, at 6.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #17685C |
| RGB | rgb(23, 104, 92) |
| HSL | hsl(171, 64%, 25%) |
| OKLCH | oklch(46.7% 0.077 180.4) |
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 #17685C | 6.62:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #17685C | 3.17:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #17685C text on white | 6.62:1 | AA | Lc 82.4 | Fine for body text |
| #17685C text on black | 3.17:1 | AA large text | Lc -19.5 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A7C9C2
oklch(80.9% 0.038 181.5)
-
Step 400
400
#77ADA2
oklch(70.7% 0.059 180.4)
-
Step 500
500
#50998B
oklch(63.1% 0.077 179.7)
-
Step 600
600
#2F8375
oklch(55.5% 0.083 180.1)
-
Step 700
700 (this color)
#17685C
oklch(46.7% 0.077 180.4)
-
Step 800
800
#1E5A51
oklch(42.6% 0.063 181.5)
-
Step 900
900
#1F4A43
oklch(37.6% 0.049 181.4)
-
Step 950
950
#132C27
oklch(27.1% 0.033 179.2)
#17685C 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) | #63615C | 0.082 |
| Deuteranopia (no green cones) | #58595D | 0.078 |
| Tritanopia (no blue cones) | #006A64 | 0.013 |
| Achromatopsia (no color) | #5D5D5D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17685C
#17685C
oklch(46.7% 0.077 180.4)
- #7D4758
#7D4758
oklch(46.7% 0.077 0.3)
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 #17685C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.015
- Dark Aqua #05696B ΔE 0.023
- Dark Aquamarine #017371 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.043
- Petrol #005F6A ΔE 0.044
- Spruce #0A5F38 ΔE 0.057
- Pine #2B5D34 ΔE 0.058
- Bluegreen #017A79 ΔE 0.061
Use #17685C 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.