#186553
Closest named color: Dark Green Blue (#1F6357). oklch(45.6% 0.079 173.3), rgb(24, 101, 83).
Aa
White text reads best on this color (6.94:1).
About this color
#186553 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.079 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.011 away. White text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #186553 |
| RGB | rgb(24, 101, 83) |
| HSL | hsl(166, 62%, 25%) |
| OKLCH | oklch(45.6% 0.079 173.3) |
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 #186553 | 6.94:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #186553 | 3.02:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #186553 text on white | 6.94:1 | AA | Lc 83.7 | Fine for body text |
| #186553 text on black | 3.02:1 | AA large text | Lc -18.3 | 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
#A3CBBE
oklch(81% 0.046 173.3)
-
Step 400
400
#6EB09C
oklch(70.7% 0.074 172.9)
-
Step 500
500
#429C84
oklch(63.1% 0.094 172.9)
-
Step 600
600
#14866E
oklch(55.5% 0.101 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800 (this color)
#186553
oklch(45.6% 0.079 173.3)
-
Step 900
900
#164C3F
oklch(37.7% 0.061 173.8)
-
Step 950
950
#0F2D25
oklch(27.1% 0.039 173.2)
#186553 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) | #615E52 | 0.081 |
| Deuteranopia (no green cones) | #575654 | 0.079 |
| Tritanopia (no blue cones) | #006660 | 0.020 |
| Achromatopsia (no color) | #5A5A5A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186553
#186553
oklch(45.6% 0.079 173.3)
- #79445A
#79445A
oklch(45.7% 0.078 354.3)
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 #186553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.011
- Dark Aqua #05696B ΔE 0.037
- Spruce #0A5F38 ΔE 0.043
- Pine #2B5D34 ΔE 0.044
- Petrol #005F6A ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.058
- Deep Teal #00555A ΔE 0.060
Use #186553 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.