#137B65
Closest named color: Bluegreen (#017A79). oklch(52.2% 0.095 173.7), rgb(19, 123, 101).
Aa
White text reads best on this color (5.18:1).
About this color
#137B65 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.095 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.033 away. White text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #137B65 |
| RGB | rgb(19, 123, 101) |
| HSL | hsl(167, 73%, 28%) |
| OKLCH | oklch(52.2% 0.095 173.7) |
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 #137B65 | 5.18:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #137B65 | 4.04:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #137B65 text on white | 5.18:1 | AA | Lc 75.3 | Fine for body text |
| #137B65 text on black | 4.04:1 | AA large text | Lc -26.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD8
oklch(88.5% 0.025 174.7)
-
Step 300
300
#A3CBBE
oklch(81% 0.046 173.3)
-
Step 400
400
#6EB09D
oklch(70.7% 0.073 173.9)
-
Step 500
500
#419C85
oklch(63.1% 0.094 173.9)
-
Step 600
600
#13866E
oklch(55.5% 0.102 173.6)
-
Step 700
700 (this color)
#137B65
oklch(52.2% 0.095 173.7)
-
Step 800
800
#095D4B
oklch(42.8% 0.079 173)
-
Step 900
900
#154C3F
oklch(37.7% 0.061 174)
-
Step 950
950
#0F2D25
oklch(27.1% 0.039 173.2)
#137B65 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) | #777264 | 0.099 |
| Deuteranopia (no green cones) | #6A6967 | 0.095 |
| Tritanopia (no blue cones) | #007C75 | 0.024 |
| Achromatopsia (no color) | #6D6D6D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137B65
#137B65
oklch(52.2% 0.095 173.7)
- #93516E
#93516E
oklch(52.2% 0.095 353.1)
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 #137B65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.037
- Teal #008080 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.040
- Deep Aqua #08787F ΔE 0.045
- Jungle Green #048243 ΔE 0.060
- Sea Green #2E8B57 ΔE 0.062
- Dark Aqua #05696B ΔE 0.063
Use #137B65 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.