#18665E
Closest named color: Dark Green Blue (#1F6357). oklch(46.3% 0.074 184.8), rgb(24, 102, 94).
Aa
White text reads best on this color (6.77:1).
About this color
#18665E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.074 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.012 away. White text reads best on it, at 6.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.10:1 |
| White text | 6.77:1 |
Values
| HEX | #18665E |
| RGB | rgb(24, 102, 94) |
| HSL | hsl(174, 62%, 25%) |
| OKLCH | oklch(46.3% 0.074 184.8) |
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 #18665E | 6.77:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #18665E | 3.10:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #18665E text on white | 6.77:1 | AA | Lc 83.0 | Fine for body text |
| #18665E text on black | 3.10:1 | AA large text | Lc -18.9 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDEDB
oklch(88.6% 0.02 184.9)
-
Step 300
300
#A8C9C3
oklch(81% 0.036 183.2)
-
Step 400
400
#78ADA5
oklch(70.8% 0.057 184.3)
-
Step 500
500
#52988F
oklch(63.1% 0.072 184.8)
-
Step 600
600
#328279
oklch(55.5% 0.079 185)
-
Step 700
700 (this color)
#18665E
oklch(46.3% 0.074 184.8)
-
Step 800
800
#205A53
oklch(42.8% 0.061 184.3)
-
Step 900
900
#204A45
oklch(37.7% 0.048 185.1)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#18665E 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) | #61605E | 0.079 |
| Deuteranopia (no green cones) | #56585F | 0.074 |
| Tritanopia (no blue cones) | #006863 | 0.010 |
| Achromatopsia (no color) | #5B5B5B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18665E
#18665E
oklch(46.3% 0.074 184.8)
- #7B4753
#7B4753
oklch(46.3% 0.073 5.4)
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 #18665E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.012
- Dark Aqua #05696B ΔE 0.020
- Petrol #005F6A ΔE 0.036
- Dark Aquamarine #017371 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.045
- Deep Teal #00555A ΔE 0.058
- Spruce #0A5F38 ΔE 0.060
- Pine #2B5D34 ΔE 0.060
Use #18665E 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.