#137374
Closest named color: Deep Turquoise (#017374). oklch(50.6% 0.082 196), rgb(19, 115, 116).
Aa
White text reads best on this color (5.62:1).
About this color
#137374 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.082 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.005 away. White text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #137374 |
| RGB | rgb(19, 115, 116) |
| HSL | hsl(181, 72%, 26%) |
| OKLCH | oklch(50.6% 0.082 196) |
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 #137374 | 5.62:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #137374 | 3.73:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #137374 text on white | 5.62:1 | AA | Lc 77.7 | Fine for body text |
| #137374 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
#C9DEDE
oklch(88.5% 0.022 196.8)
-
Step 300
300
#A4C9C9
oklch(80.9% 0.039 196.4)
-
Step 400
400
#70ADAD
oklch(70.6% 0.063 195.8)
-
Step 500
500
#459999
oklch(63.2% 0.081 195.3)
-
Step 600
600
#1D8384
oklch(55.6% 0.088 195.9)
-
Step 700
700 (this color)
#137374
oklch(50.6% 0.082 196)
-
Step 800
800
#105A5B
oklch(42.6% 0.067 196.3)
-
Step 900
900
#184A4B
oklch(37.7% 0.052 197)
-
Step 950
950
#102C2C
oklch(27.2% 0.034 195.3)
#137374 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) | #6B6D74 | 0.085 |
| Deuteranopia (no green cones) | #5D6375 | 0.079 |
| Tritanopia (no blue cones) | #007773 | 0.013 |
| Achromatopsia (no color) | #676767 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137374
#137374
oklch(50.6% 0.082 196)
- #8D5155
#8D5155
oklch(50.6% 0.08 16.1)
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 #137374, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.005
- Dark Aquamarine #017371 ΔE 0.007
- Deep Aqua #08787F ΔE 0.020
- Bluegreen #017A79 ΔE 0.021
- Dark Aqua #05696B ΔE 0.033
- Teal #008080 ΔE 0.039
- Ocean #017B92 ΔE 0.048
- Sea Blue #047495 ΔE 0.053
Use #137374 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.