#136A89
Closest named color: Peacock Blue (#016795). oklch(49.1% 0.09 228.3), rgb(19, 106, 137).
Aa
White text reads best on this color (6.08:1).
About this color
#136A89 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.090 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.024 away. White text reads best on it, at 6.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #136A89 |
| RGB | rgb(19, 106, 137) |
| HSL | hsl(196, 76%, 31%) |
| OKLCH | oklch(49.1% 0.09 228.3) |
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 #136A89 | 6.08:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #136A89 | 3.45:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #136A89 text on white | 6.08:1 | AA | Lc 80.0 | Fine for body text |
| #136A89 text on black | 3.45:1 | AA large text | Lc -21.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A4C7D7
oklch(80.9% 0.044 227.3)
-
Step 400
400
#71AAC3
oklch(70.8% 0.07 227.4)
-
Step 500
500
#4894B4
oklch(63.1% 0.089 228.2)
-
Step 600
600
#237EA0
oklch(55.7% 0.097 228.1)
-
Step 700
700 (this color)
#136A89
oklch(49.1% 0.09 228.3)
-
Step 800
800
#15566F
oklch(42.6% 0.075 228.8)
-
Step 900
900
#1A475A
oklch(37.6% 0.058 229.1)
-
Step 950
950
#112A35
oklch(27.1% 0.037 229)
#136A89 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) | #5A688B | 0.065 |
| Deuteranopia (no green cones) | #4A5D89 | 0.056 |
| Tritanopia (no blue cones) | #007374 | 0.051 |
| Achromatopsia (no color) | #626262 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136A89
#136A89
oklch(49.1% 0.09 228.3)
- #8A5030
#8A5030
oklch(49.2% 0.09 48.5)
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 #136A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.024
- Sea Blue #047495 ΔE 0.031
- Ocean Blue #03719C ΔE 0.033
- Denim #3B638C ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.049
- Dark Aqua #05696B ΔE 0.050
- Muted Blue #3B719F ΔE 0.050
- Ocean #017B92 ΔE 0.050
Use #136A89 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.