#174B4C
Closest named color: Dark Teal (#014D4E). oklch(37.9% 0.054 196.9), rgb(23, 75, 76).
Aa
White text reads best on this color (9.78:1).
About this color
#174B4C is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.054 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.011 away. White text reads best on it, at 9.78:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #174B4C |
| RGB | rgb(23, 75, 76) |
| HSL | hsl(181, 54%, 19%) |
| OKLCH | oklch(37.9% 0.054 196.9) |
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 #174B4C | 9.78:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #174B4C | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #174B4C text on white | 9.78:1 | AAA | Lc 92.5 | Preferred for body text |
| #174B4C text on black | 2.14:1 | Fails | Lc -10.0 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEC
oklch(93.5% 0.012 197)
-
Step 200
200
#C9DEDE
oklch(88.5% 0.022 196.8)
-
Step 300
300
#A3C9C9
oklch(80.8% 0.04 196.4)
-
Step 400
400
#6FADAE
oklch(70.6% 0.064 197.1)
-
Step 500
500
#42999B
oklch(63.1% 0.083 197.3)
-
Step 600
600
#168385
oklch(55.5% 0.09 196.9)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#0C5A5C
oklch(42.6% 0.069 197.6)
-
Step 900
900 (this color)
#174B4C
oklch(37.9% 0.054 196.9)
-
Step 950
950
#0F2C2C
oklch(27.1% 0.035 195.3)
#174B4C 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) | #46474C | 0.056 |
| Deuteranopia (no green cones) | #3D414C | 0.052 |
| Tritanopia (no blue cones) | #004E4B | 0.014 |
| Achromatopsia (no color) | #444444 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174B4C
#174B4C
oklch(37.9% 0.054 196.9)
- #5C3638
#5C3638
oklch(38% 0.055 16.6)
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 #174B4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.011
- Dark Blue Green #005249 ΔE 0.027
- Charcoal #264653 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.029
- Deep Teal #00555A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.055
Use #174B4C 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.