#187663
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.089 175.3), rgb(24, 118, 99).
Aa
White text reads best on this color (5.51:1).
About this color
#187663 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.089 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.027 away. White text reads best on it, at 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.81:1 |
| White text | 5.51:1 |
Values
| HEX | #187663 |
| RGB | rgb(24, 118, 99) |
| HSL | hsl(168, 66%, 28%) |
| OKLCH | oklch(50.9% 0.089 175.3) |
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 #187663 | 5.51:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #187663 | 3.81:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #187663 text on white | 5.51:1 | AA | Lc 77.1 | Fine for body text |
| #187663 text on black | 3.81:1 | AA large text | Lc -24.6 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADFD8
oklch(88.6% 0.024 173.8)
-
Step 300
300
#A5CABF
oklch(80.9% 0.042 175.2)
-
Step 400
400
#71AF9E
oklch(70.7% 0.069 175)
-
Step 500
500
#479B87
oklch(63.2% 0.088 175.5)
-
Step 600
600
#208570
oklch(55.5% 0.095 175.2)
-
Step 700
700 (this color)
#187663
oklch(50.9% 0.089 175.3)
-
Step 800
800
#135C4D
oklch(42.7% 0.073 175.3)
-
Step 900
900
#194B40
oklch(37.6% 0.057 176)
-
Step 950
950
#112C25
oklch(26.9% 0.036 174.4)
#187663 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) | #716E62 | 0.092 |
| Deuteranopia (no green cones) | #656564 | 0.088 |
| Tritanopia (no blue cones) | #007870 | 0.019 |
| Achromatopsia (no color) | #696969 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187663
#187663
oklch(50.9% 0.089 175.3)
- #8D4F68
#8D4F68
oklch(50.8% 0.089 355.1)
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 #187663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.027
- Deep Turquoise #017374 ΔE 0.032
- Bluegreen #017A79 ΔE 0.033
- Deep Aqua #08787F ΔE 0.043
- Teal #008080 ΔE 0.046
- Dark Aqua #05696B ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.058
- Jungle Green #048243 ΔE 0.069
Use #187663 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.