#137A8D
Closest named color: Ocean (#017B92). oklch(53.5% 0.09 214.3), rgb(19, 122, 141).
Aa
White text reads best on this color (5.00:1).
About this color
#137A8D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.090 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.008 away. White text reads best on it, at 5.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #137A8D |
| RGB | rgb(19, 122, 141) |
| HSL | hsl(189, 76%, 31%) |
| OKLCH | oklch(53.5% 0.09 214.3) |
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 #137A8D | 5.00:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #137A8D | 4.19:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #137A8D text on white | 5.00:1 | AA | Lc 74.2 | Content text, not long reading |
| #137A8D 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A4C8D1
oklch(81% 0.04 214.6)
-
Step 400
400
#70ABB9
oklch(70.6% 0.064 214.3)
-
Step 500
500
#4696A8
oklch(63% 0.082 214.6)
-
Step 600
600 (this color)
#137A8D
oklch(53.5% 0.09 214.3)
-
Step 700
700
#0C6C7E
oklch(49% 0.084 215.1)
-
Step 800
800
#115866
oklch(42.6% 0.069 214.6)
-
Step 900
900
#184953
oklch(37.7% 0.054 213.6)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#137A8D 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) | #6C768E | 0.080 |
| Deuteranopia (no green cones) | #5D6A8D | 0.073 |
| Tritanopia (no blue cones) | #008180 | 0.035 |
| Achromatopsia (no color) | #6F6F6F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137A8D
#137A8D
oklch(53.5% 0.09 214.3)
- #9A5949
#9A5949
oklch(53.5% 0.09 34.7)
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 #137A8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.008
- Deep Aqua #08787F ΔE 0.023
- Sea Blue #047495 ΔE 0.026
- Teal #008080 ΔE 0.032
- Bluegreen #017A79 ΔE 0.034
- Ocean Blue #03719C ΔE 0.042
- Deep Turquoise #017374 ΔE 0.042
- Teal Blue #01889F ΔE 0.044
Use #137A8D 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.