#175647
Closest named color: Dark Blue Green (#005249). oklch(40.9% 0.068 173.6), rgb(23, 86, 71).
Aa
White text reads best on this color (8.54:1).
About this color
#175647 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.068 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.019 away. White text reads best on it, at 8.54:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #175647 |
| RGB | rgb(23, 86, 71) |
| HSL | hsl(166, 58%, 21%) |
| OKLCH | oklch(40.9% 0.068 173.6) |
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 #175647 | 8.54:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #175647 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #175647 text on white | 8.54:1 | AAA | Lc 89.1 | Fine for body text |
| #175647 text on black | 2.45:1 | Fails | Lc -13.1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A7C9BE
oklch(80.8% 0.04 173.7)
-
Step 400
400
#76AE9D
oklch(70.7% 0.064 173.4)
-
Step 500
500
#4F9A85
oklch(63.2% 0.082 173.2)
-
Step 600
600
#2E846F
oklch(55.6% 0.088 173.7)
-
Step 700
700
#20705D
oklch(49.2% 0.082 173.6)
-
Step 800
800 (this color)
#175647
oklch(40.9% 0.068 173.6)
-
Step 900
900
#1F4B3F
oklch(37.8% 0.053 173)
-
Step 950
950
#132C25
oklch(27% 0.034 173.4)
#175647 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) | #535046 | 0.071 |
| Deuteranopia (no green cones) | #4A4A48 | 0.067 |
| Tritanopia (no blue cones) | #005752 | 0.018 |
| Achromatopsia (no color) | #4C4C4C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175647
#175647
oklch(40.9% 0.068 173.6)
- #673A4D
#673A4D
oklch(41% 0.068 353.7)
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 #175647, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.019
- Deep Teal #00555A ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Teal #014D4E ΔE 0.039
- Spruce #0A5F38 ΔE 0.044
- Pine #2B5D34 ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.045
- Petrol #005F6A ΔE 0.056
Use #175647 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.