#136551
Closest named color: Dark Green Blue (#1F6357). oklch(45.4% 0.082 171.8), rgb(19, 101, 81).
Aa
White text reads best on this color (6.98:1).
About this color
#136551 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.082 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.015 away. White text reads best on it, at 6.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #136551 |
| RGB | rgb(19, 101, 81) |
| HSL | hsl(165, 68%, 24%) |
| OKLCH | oklch(45.4% 0.082 171.8) |
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 #136551 | 6.98:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #136551 | 3.00:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #136551 text on white | 6.98:1 | AA | Lc 83.8 | Fine for body text |
| #136551 text on black | 3.00:1 | AA large text | Lc -18.2 | 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 800.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD7
oklch(88.5% 0.026 171.9)
-
Step 300
300
#A2CBBD
oklch(80.9% 0.048 172.2)
-
Step 400
400
#6DB09B
oklch(70.6% 0.076 172.1)
-
Step 500
500
#3E9D82
oklch(63.2% 0.099 171.3)
-
Step 600
600
#09876C
oklch(55.6% 0.106 171.9)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800 (this color)
#136551
oklch(45.4% 0.082 171.8)
-
Step 900
900
#134C3D
oklch(37.6% 0.064 171.6)
-
Step 950
950
#0E2D24
oklch(27.1% 0.041 171.3)
#136551 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) | #625E50 | 0.085 |
| Deuteranopia (no green cones) | #575652 | 0.081 |
| Tritanopia (no blue cones) | #00665F | 0.022 |
| Achromatopsia (no color) | #595959 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136551
#136551
oklch(45.4% 0.082 171.8)
- #79425B
#79425B
oklch(45.4% 0.082 352.2)
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 #136551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.015
- Spruce #0A5F38 ΔE 0.039
- Dark Aqua #05696B ΔE 0.040
- Pine #2B5D34 ΔE 0.042
- Petrol #005F6A ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.060
- Deep Teal #00555A ΔE 0.061
Use #136551 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.