#174C3F
Closest named color: Dark Blue Green (#005249). oklch(37.8% 0.06 173.7), rgb(23, 76, 63).
Aa
White text reads best on this color (9.80:1).
About this color
#174C3F is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.060 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.022 away. White text reads best on it, at 9.80:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #174C3F |
| RGB | rgb(23, 76, 63) |
| HSL | hsl(165, 54%, 19%) |
| OKLCH | oklch(37.8% 0.06 173.7) |
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 #174C3F | 9.80:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #174C3F | 2.14:1 | Fails | Lc 11.4 | Not readable |
| #174C3F text on white | 9.80:1 | AAA | Lc 92.5 | Preferred for body text |
| #174C3F text on black | 2.14:1 | Fails | Lc -9.9 | 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
#C9DFD8
oklch(88.5% 0.025 174.7)
-
Step 300
300
#A4CBBE
oklch(81% 0.045 172.8)
-
Step 400
400
#6FB09D
oklch(70.8% 0.073 173.6)
-
Step 500
500
#439C85
oklch(63.2% 0.093 173.6)
-
Step 600
600
#18866E
oklch(55.6% 0.1 173.4)
-
Step 700
700
#03715C
oklch(49% 0.093 173.7)
-
Step 800
800
#0D5C4B
oklch(42.6% 0.077 173.6)
-
Step 900
900 (this color)
#174C3F
oklch(37.8% 0.06 173.7)
-
Step 950
950
#0F2C25
oklch(26.8% 0.037 175.2)
#174C3F 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) | #49473E | 0.062 |
| Deuteranopia (no green cones) | #424140 | 0.061 |
| Tritanopia (no blue cones) | #004D48 | 0.016 |
| Achromatopsia (no color) | #444444 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174C3F
#174C3F
oklch(37.8% 0.06 173.7)
- #5A3444
#5A3444
oklch(37.7% 0.059 353.5)
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 #174C3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.022
- Dark Teal #014D4E ΔE 0.025
- Evergreen #05472A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.038
- Deep Teal #00555A ΔE 0.046
- Charcoal #264653 ΔE 0.048
- Pine Green #0A481E ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.055
Use #174C3F 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.