#136F8D
Closest named color: Sea Blue (#047495). oklch(50.6% 0.092 226.3), rgb(19, 111, 141).
Aa
White text reads best on this color (5.69:1).
About this color
#136F8D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.092 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.017 away. White text reads best on it, at 5.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #136F8D |
| RGB | rgb(19, 111, 141) |
| HSL | hsl(195, 76%, 31%) |
| OKLCH | oklch(50.6% 0.092 226.3) |
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 #136F8D | 5.69:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #136F8D | 3.68:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #136F8D text on white | 5.69:1 | AA | Lc 78.1 | Fine for body text |
| #136F8D text on black | 3.68:1 | AA large text | Lc -23.7 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D7
oklch(80.9% 0.045 226.7)
-
Step 400
400
#6FAAC3
oklch(70.7% 0.071 226.6)
-
Step 500
500
#4495B4
oklch(63.2% 0.091 226.1)
-
Step 600
600
#1C7E9F
oklch(55.5% 0.098 226.4)
-
Step 700
700 (this color)
#136F8D
oklch(50.6% 0.092 226.3)
-
Step 800
800
#10576F
oklch(42.7% 0.076 226.5)
-
Step 900
900
#18485A
oklch(37.8% 0.059 226.5)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#136F8D 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) | #5F6D8E | 0.068 |
| Deuteranopia (no green cones) | #4F628D | 0.058 |
| Tritanopia (no blue cones) | #007879 | 0.049 |
| Achromatopsia (no color) | #676767 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136F8D
#136F8D
oklch(50.6% 0.092 226.3)
- #8F5335
#8F5335
oklch(50.5% 0.091 46.5)
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 #136F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.017
- Ocean Blue #03719C ΔE 0.023
- Peacock Blue #016795 ΔE 0.032
- Ocean #017B92 ΔE 0.035
- Deep Aqua #08787F ΔE 0.041
- Denim #3B638C ΔE 0.041
- Muted Blue #3B719F ΔE 0.041
- Deep Turquoise #017374 ΔE 0.047
Use #136F8D 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.