#136C80
Closest named color: Deep Turquoise (#017374). oklch(49.2% 0.083 217.7), rgb(19, 108, 128).
Aa
White text reads best on this color (6.02:1).
About this color
#136C80 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.083 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.034 away. White text reads best on it, at 6.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #136C80 |
| RGB | rgb(19, 108, 128) |
| HSL | hsl(191, 74%, 29%) |
| OKLCH | oklch(49.2% 0.083 217.7) |
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 #136C80 | 6.02:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #136C80 | 3.48:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #136C80 text on white | 6.02:1 | AA | Lc 79.7 | Fine for body text |
| #136C80 text on black | 3.48:1 | AA large text | Lc -22.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A4C7D2
oklch(80.8% 0.04 218.8)
-
Step 400
400
#71ABBB
oklch(70.7% 0.065 217)
-
Step 500
500
#4896AA
oklch(63.2% 0.082 216.9)
-
Step 600
600
#238096
oklch(55.7% 0.089 217.5)
-
Step 700
700 (this color)
#136C80
oklch(49.2% 0.083 217.7)
-
Step 800
800
#155868
oklch(42.8% 0.069 217.8)
-
Step 900
900
#1A4854
oklch(37.6% 0.053 217.9)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#136C80 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) | #5F6981 | 0.071 |
| Deuteranopia (no green cones) | #515E80 | 0.064 |
| Tritanopia (no blue cones) | #007372 | 0.037 |
| Achromatopsia (no color) | #636363 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136C80
#136C80
oklch(49.2% 0.083 217.7)
- #894F3E
#894F3E
oklch(49.1% 0.083 37.1)
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 #136C80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.034
- Dark Aqua #05696B ΔE 0.035
- Sea Blue #047495 ΔE 0.036
- Dark Aquamarine #017371 ΔE 0.038
- Deep Aqua #08787F ΔE 0.038
- Peacock Blue #016795 ΔE 0.042
- Ocean Blue #03719C ΔE 0.044
- Denim #3B638C ΔE 0.046
Use #136C80 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.