#174A48
Closest named color: Dark Teal (#014D4E). oklch(37.5% 0.053 191.5), rgb(23, 74, 72).
Aa
White text reads best on this color (9.95:1).
About this color
#174A48 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.053 and its hue 191°. 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 9.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #174A48 |
| RGB | rgb(23, 74, 72) |
| HSL | hsl(178, 53%, 19%) |
| OKLCH | oklch(37.5% 0.053 191.5) |
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 #174A48 | 9.95:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #174A48 | 2.10:1 | Fails | Lc 11.1 | Not readable |
| #174A48 text on white | 9.95:1 | AAA | Lc 92.9 | Preferred for body text |
| #174A48 text on black | 2.10:1 | Fails | Lc -9.6 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#C9DEDD
oklch(88.5% 0.022 193.3)
-
Step 300
300
#A4C9C7
oklch(80.9% 0.039 192.3)
-
Step 400
400
#70AEAA
oklch(70.8% 0.064 190.6)
-
Step 500
500
#449996
oklch(63% 0.082 192.1)
-
Step 600
600
#1B8480
oklch(55.7% 0.089 190.9)
-
Step 700
700
#076F6C
oklch(49% 0.083 191.5)
-
Step 800
800
#0F5B58
oklch(42.8% 0.069 190.8)
-
Step 900
900 (this color)
#174A48
oklch(37.5% 0.053 191.5)
-
Step 950
950
#102C2A
oklch(27.1% 0.034 189.1)
#174A48 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) | #454648 | 0.056 |
| Deuteranopia (no green cones) | #3D4048 | 0.052 |
| Tritanopia (no blue cones) | #004C49 | 0.012 |
| Achromatopsia (no color) | #434343 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174A48
#174A48
oklch(37.5% 0.053 191.5)
- #5A353A
#5A353A
oklch(37.6% 0.054 11.2)
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 #174A48, 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 0.027
- Charcoal #264653 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.047
- Evergreen #05472A ΔE 0.052
Use #174A48 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.