#174F50
Closest named color: Dark Teal (#014D4E). oklch(39.2% 0.057 196.8), rgb(23, 79, 80).
Aa
White text reads best on this color (9.24:1).
About this color
#174F50 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.057 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.014 away. White text reads best on it, at 9.24:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #174F50 |
| RGB | rgb(23, 79, 80) |
| HSL | hsl(181, 55%, 20%) |
| OKLCH | oklch(39.2% 0.057 196.8) |
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 #174F50 | 9.24:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #174F50 | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #174F50 text on white | 9.24:1 | AAA | Lc 91.1 | Preferred for body text |
| #174F50 text on black | 2.27:1 | Fails | Lc -11.3 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1EDED
oklch(93.7% 0.013 196.9)
-
Step 200
200
#C8DEDE
oklch(88.4% 0.023 196.7)
-
Step 300
300
#A1CACA
oklch(81% 0.043 196.3)
-
Step 400
400
#6BAEAF
oklch(70.7% 0.068 196.9)
-
Step 500
500
#3C9A9B
oklch(63.2% 0.087 196.2)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900 (this color)
#174F50
oklch(39.2% 0.057 196.8)
-
Step 950
950
#0D2C2C
oklch(27% 0.036 195.2)
#174F50 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) | #494B50 | 0.058 |
| Deuteranopia (no green cones) | #414550 | 0.054 |
| Tritanopia (no blue cones) | #00524F | 0.014 |
| Achromatopsia (no color) | #474747 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174F50
#174F50
oklch(39.2% 0.057 196.8)
- #61393B
#61393B
oklch(39.4% 0.057 16.8)
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 #174F50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.014
- Dark Blue Green #005249 ΔE 0.021
- Deep Teal #00555A ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.022
- Charcoal #264653 ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.055
- Petrol #005F6A ΔE 0.057
Use #174F50 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.