#174A3E
Closest named color: Dark Teal (#014D4E). oklch(37.1% 0.058 174.6), rgb(23, 74, 62).
Aa
White text reads best on this color (10.06:1).
About this color
#174A3E is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.058 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.026 away. White text reads best on it, at 10.06:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #174A3E |
| RGB | rgb(23, 74, 62) |
| HSL | hsl(166, 53%, 19%) |
| OKLCH | oklch(37.1% 0.058 174.6) |
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 #174A3E | 10.06:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #174A3E | 2.08:1 | Fails | Lc 10.8 | Not readable |
| #174A3E text on white | 10.06:1 | AAA | Lc 93.2 | Preferred for body text |
| #174A3E text on black | 2.08:1 | Fails | Lc -9.3 | 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 900.
-
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
#71AF9E
oklch(70.7% 0.069 175)
-
Step 500
500
#469B86
oklch(63.1% 0.089 174.7)
-
Step 600
600
#1F8570
oklch(55.5% 0.096 175.2)
-
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 (this color)
#174A3E
oklch(37.1% 0.058 174.6)
-
Step 950
950
#102C25
oklch(26.9% 0.037 174.8)
#174A3E 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) | #47453D | 0.060 |
| Deuteranopia (no green cones) | #40403F | 0.057 |
| Tritanopia (no blue cones) | #004B46 | 0.015 |
| Achromatopsia (no color) | #424242 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174A3E
#174A3E
oklch(37.1% 0.058 174.6)
- #583342
#583342
oklch(37.2% 0.057 354.4)
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 #174A3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.026
- Dark Blue Green #005249 ΔE 0.027
- Evergreen #05472A ΔE 0.036
- Dark Slate Gray #2F4F4F ΔE 0.041
- Charcoal #264653 ΔE 0.046
- Deep Teal #00555A ΔE 0.050
- Pine Green #0A481E ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.053
Use #174A3E 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.