#18727F
Closest named color: Deep Aqua (#08787F). oklch(50.8% 0.081 209.7), rgb(24, 114, 127).
Aa
White text reads best on this color (5.59:1).
About this color
#18727F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.081 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.019 away. White text reads best on it, at 5.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #18727F |
| RGB | rgb(24, 114, 127) |
| HSL | hsl(188, 68%, 30%) |
| OKLCH | oklch(50.8% 0.081 209.7) |
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 #18727F | 5.59:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #18727F | 3.75:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #18727F text on white | 5.59:1 | AA | Lc 77.6 | Fine for body text |
| #18727F text on black | 3.75:1 | AA large text | Lc -24.2 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A4C8CF
oklch(80.9% 0.04 210.7)
-
Step 400
400
#71ACB6
oklch(70.8% 0.063 209.3)
-
Step 500
500
#4797A4
oklch(63.2% 0.08 209.5)
-
Step 600
600
#20818F
oklch(55.6% 0.087 209.4)
-
Step 700
700 (this color)
#18727F
oklch(50.8% 0.081 209.7)
-
Step 800
800
#135963
oklch(42.8% 0.067 209.3)
-
Step 900
900
#194951
oklch(37.7% 0.053 210.3)
-
Step 950
950
#102B2F
oklch(27% 0.033 208.2)
#18727F 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) | #676D80 | 0.077 |
| Deuteranopia (no green cones) | #59637F | 0.071 |
| Tritanopia (no blue cones) | #007876 | 0.028 |
| Achromatopsia (no color) | #686868 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18727F
#18727F
oklch(50.8% 0.081 209.7)
- #8E534A
#8E534A
oklch(50.8% 0.081 29.4)
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 #18727F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.019
- Deep Turquoise #017374 ΔE 0.021
- Dark Aquamarine #017371 ΔE 0.026
- Bluegreen #017A79 ΔE 0.030
- Sea Blue #047495 ΔE 0.034
- Ocean #017B92 ΔE 0.035
- Dark Aqua #05696B ΔE 0.040
- Teal #008080 ΔE 0.043
Use #18727F 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.