#197371
Closest named color: Dark Aquamarine (#017371). oklch(50.6% 0.08 192.7), rgb(25, 115, 113).
Aa
White text reads best on this color (5.62:1).
About this color
#197371 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.080 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.007 away. White text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #197371 |
| RGB | rgb(25, 115, 113) |
| HSL | hsl(179, 64%, 27%) |
| OKLCH | oklch(50.6% 0.08 192.7) |
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 #197371 | 5.62:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #197371 | 3.73:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #197371 text on white | 5.62:1 | AA | Lc 77.8 | Fine for body text |
| #197371 text on black | 3.73:1 | AA large text | Lc -24.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A5C9C7
oklch(80.9% 0.038 192.3)
-
Step 400
400
#72ADAB
oklch(70.7% 0.061 193.1)
-
Step 500
500
#489996
oklch(63.2% 0.079 192.1)
-
Step 600
600
#228381
oklch(55.6% 0.086 192.9)
-
Step 700
700 (this color)
#197371
oklch(50.6% 0.08 192.7)
-
Step 800
800
#145A59
oklch(42.6% 0.066 193.5)
-
Step 900
900
#1A4A49
oklch(37.6% 0.051 193.3)
-
Step 950
950
#112B2B
oklch(26.9% 0.032 195.4)
#197371 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) | #6B6D71 | 0.083 |
| Deuteranopia (no green cones) | #5F6372 | 0.080 |
| Tritanopia (no blue cones) | #007772 | 0.013 |
| Achromatopsia (no color) | #676767 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197371
#197371
oklch(50.6% 0.08 192.7)
- #8C5158
#8C5158
oklch(50.5% 0.079 12.7)
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 #197371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.007
- Deep Turquoise #017374 ΔE 0.008
- Bluegreen #017A79 ΔE 0.021
- Deep Aqua #08787F ΔE 0.023
- Dark Aqua #05696B ΔE 0.033
- Teal #008080 ΔE 0.040
- Ocean #017B92 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.056
Use #197371 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.