#137A8C
Closest named color: Ocean (#017B92). oklch(53.4% 0.089 213.4), rgb(19, 122, 140).
Aa
White text reads best on this color (5.01:1).
About this color
#137A8C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.089 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.009 away. White text reads best on it, at 5.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.19:1 |
| White text | 5.01:1 |
Values
| HEX | #137A8C |
| RGB | rgb(19, 122, 140) |
| HSL | hsl(189, 76%, 31%) |
| OKLCH | oklch(53.4% 0.089 213.4) |
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 #137A8C | 5.01:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #137A8C | 4.19:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #137A8C text on white | 5.01:1 | AA | Lc 74.2 | Content text, not long reading |
| #137A8C text on black | 4.19:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A4C8D0
oklch(80.9% 0.04 212.7)
-
Step 400
400
#70ABB9
oklch(70.6% 0.064 214.3)
-
Step 500
500
#4696A7
oklch(63% 0.082 213.6)
-
Step 600
600 (this color)
#137A8C
oklch(53.4% 0.089 213.4)
-
Step 700
700
#0C6D7D
oklch(49.2% 0.083 212.8)
-
Step 800
800
#125866
oklch(42.6% 0.069 214.8)
-
Step 900
900
#194953
oklch(37.8% 0.053 213.9)
-
Step 950
950
#102B30
oklch(27% 0.034 211.3)
#137A8C 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) | #6D768D | 0.081 |
| Deuteranopia (no green cones) | #5D6A8C | 0.074 |
| Tritanopia (no blue cones) | #008180 | 0.033 |
| Achromatopsia (no color) | #6F6F6F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137A8C
#137A8C
oklch(53.4% 0.089 213.4)
- #9A594A
#9A594A
oklch(53.5% 0.09 33.9)
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 #137A8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.009
- Deep Aqua #08787F ΔE 0.021
- Sea Blue #047495 ΔE 0.027
- Teal #008080 ΔE 0.031
- Bluegreen #017A79 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.041
- Ocean Blue #03719C ΔE 0.043
- Teal Blue #01889F ΔE 0.045
Use #137A8C 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.