#136571
Closest named color: Dark Aqua (#05696B). oklch(46.7% 0.075 210), rgb(19, 101, 113).
Aa
White text reads best on this color (6.71:1).
About this color
#136571 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.075 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.019 away. White text reads best on it, at 6.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #136571 |
| RGB | rgb(19, 101, 113) |
| HSL | hsl(188, 71%, 26%) |
| OKLCH | oklch(46.7% 0.075 210) |
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 #136571 | 6.71:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #136571 | 3.12:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #136571 text on white | 6.71:1 | AA | Lc 82.8 | Fine for body text |
| #136571 text on black | 3.12:1 | AA large text | Lc -19.2 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A7C8CE
oklch(81.1% 0.036 209.8)
-
Step 400
400
#75ABB5
oklch(70.7% 0.058 210.4)
-
Step 500
500
#4E96A2
oklch(63.1% 0.074 209.5)
-
Step 600
600
#2D808D
oklch(55.6% 0.08 209.7)
-
Step 700
700 (this color)
#136571
oklch(46.7% 0.075 210)
-
Step 800
800
#1C5862
oklch(42.7% 0.062 210.6)
-
Step 900
900
#1E4950
oklch(37.8% 0.049 209.6)
-
Step 950
950
#132B2F
oklch(27.2% 0.031 209.5)
#136571 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) | #5B6172 | 0.071 |
| Deuteranopia (no green cones) | #4E5871 | 0.064 |
| Tritanopia (no blue cones) | #006A69 | 0.024 |
| Achromatopsia (no color) | #5C5C5C | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136571
#136571
oklch(46.7% 0.075 210)
- #7F4940
#7F4940
oklch(46.7% 0.076 30.3)
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 #136571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.019
- Petrol #005F6A ΔE 0.022
- Dark Green Blue #1F6357 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.051
- Slate #516572 ΔE 0.057
- Deep Aqua #08787F ΔE 0.058
Use #136571 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.