#136C82
Closest named color: Sea Blue (#047495). oklch(49.3% 0.084 219.7), rgb(19, 108, 130).
Aa
White text reads best on this color (6.00:1).
About this color
#136C82 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.084 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.034 away. White text reads best on it, at 6.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #136C82 |
| RGB | rgb(19, 108, 130) |
| HSL | hsl(192, 74%, 29%) |
| OKLCH | oklch(49.3% 0.084 219.7) |
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 #136C82 | 6.00:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #136C82 | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #136C82 text on white | 6.00:1 | AA | Lc 79.6 | Fine for body text |
| #136C82 text on black | 3.49:1 | AA large text | Lc -22.2 | 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
#A4C7D3
oklch(80.8% 0.041 220.6)
-
Step 400
400
#71ABBD
oklch(70.8% 0.066 219.4)
-
Step 500
500
#4895AC
oklch(63% 0.083 220.1)
-
Step 600
600
#227F98
oklch(55.5% 0.091 220.3)
-
Step 700
700 (this color)
#136C82
oklch(49.3% 0.084 219.7)
-
Step 800
800
#145869
oklch(42.8% 0.07 218.9)
-
Step 900
900
#1A4855
oklch(37.6% 0.054 219.6)
-
Step 950
950
#112A32
oklch(26.9% 0.034 221.3)
#136C82 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) | #5E6983 | 0.070 |
| Deuteranopia (no green cones) | #505F82 | 0.062 |
| Tritanopia (no blue cones) | #007373 | 0.038 |
| Achromatopsia (no color) | #636363 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136C82
#136C82
oklch(49.3% 0.084 219.7)
- #8A503C
#8A503C
oklch(49.4% 0.084 39.7)
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 #136C82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.037
- Dark Aqua #05696B ΔE 0.038
- Peacock Blue #016795 ΔE 0.038
- Deep Aqua #08787F ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.041
- Ocean Blue #03719C ΔE 0.041
- Denim #3B638C ΔE 0.044
Use #136C82 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.