#186458
Closest named color: Dark Green Blue (#1F6357). oklch(45.5% 0.074 179.8), rgb(24, 100, 88).
Aa
White text reads best on this color (6.99:1).
About this color
#186458 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.074 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.004 away. White text reads best on it, at 6.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #186458 |
| RGB | rgb(24, 100, 88) |
| HSL | hsl(171, 61%, 24%) |
| OKLCH | oklch(45.5% 0.074 179.8) |
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 #186458 | 6.99:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #186458 | 3.00:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #186458 text on white | 6.99:1 | AA | Lc 83.9 | Fine for body text |
| #186458 text on black | 3.00:1 | AA large text | Lc -18.1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFD9
oklch(88.6% 0.025 177.6)
-
Step 300
300
#A3CAC1
oklch(80.8% 0.043 179.5)
-
Step 400
400
#6EAFA2
oklch(70.6% 0.07 180.1)
-
Step 500
500
#429B8B
oklch(63.1% 0.089 179.6)
-
Step 600
600
#158575
oklch(55.5% 0.096 180)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800 (this color)
#186458
oklch(45.5% 0.074 179.8)
-
Step 900
900
#164C43
oklch(37.9% 0.058 179.9)
-
Step 950
950
#0F2C27
oklch(26.9% 0.036 180.5)
#186458 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) | #5F5E58 | 0.078 |
| Deuteranopia (no green cones) | #555659 | 0.075 |
| Tritanopia (no blue cones) | #006660 | 0.013 |
| Achromatopsia (no color) | #595959 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186458
#186458
oklch(45.5% 0.074 179.8)
- #784455
#784455
oklch(45.4% 0.075 359.5)
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 #186458, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.004
- Dark Aqua #05696B ΔE 0.030
- Petrol #005F6A ΔE 0.039
- Spruce #0A5F38 ΔE 0.050
- Pine #2B5D34 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.052
- Deep Teal #00555A ΔE 0.054
- Deep Turquoise #017374 ΔE 0.054
Use #186458 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.