#175646
Closest named color: Dark Blue Green (#005249). oklch(40.9% 0.069 172.4), rgb(23, 86, 70).
Aa
White text reads best on this color (8.55:1).
About this color
#175646 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.069 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.020 away. White text reads best on it, at 8.55:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #175646 |
| RGB | rgb(23, 86, 70) |
| HSL | hsl(165, 58%, 21%) |
| OKLCH | oklch(40.9% 0.069 172.4) |
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 #175646 | 8.55:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #175646 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #175646 text on white | 8.55:1 | AAA | Lc 89.1 | Fine for body text |
| #175646 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
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A7C9BE
oklch(80.8% 0.04 173.7)
-
Step 400
400
#76AE9C
oklch(70.7% 0.065 172.3)
-
Step 500
500
#509A84
oklch(63.2% 0.082 172)
-
Step 600
600
#2F846E
oklch(55.6% 0.088 172.7)
-
Step 700
700
#20705C
oklch(49.2% 0.083 172.6)
-
Step 800
800 (this color)
#175646
oklch(40.9% 0.069 172.4)
-
Step 900
900
#1F4B3E
oklch(37.7% 0.054 171.4)
-
Step 950
950
#132C25
oklch(27% 0.034 173.4)
#175646 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) | #535045 | 0.071 |
| Deuteranopia (no green cones) | #4A4A47 | 0.067 |
| Tritanopia (no blue cones) | #005751 | 0.018 |
| Achromatopsia (no color) | #4C4C4C | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175646
#175646
oklch(40.9% 0.069 172.4)
- #663A4E
#663A4E
oklch(40.9% 0.068 351.8)
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 #175646, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.020
- Deep Teal #00555A ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Teal #014D4E ΔE 0.039
- Spruce #0A5F38 ΔE 0.043
- Pine #2B5D34 ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.046
- Petrol #005F6A ΔE 0.058
Use #175646 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.