#18907E
Closest named color: Dark Cyan (#008B8B). oklch(58.8% 0.102 179.3), rgb(24, 144, 126).
Aa
Black text reads best on this color (5.32:1).
About this color
#18907E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.102 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.029 away. Black text reads best on it, at 5.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #18907E |
| RGB | rgb(24, 144, 126) |
| HSL | hsl(171, 71%, 33%) |
| OKLCH | oklch(58.8% 0.102 179.3) |
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 #18907E | 3.94:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #18907E | 5.32:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #18907E text on white | 3.94:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #18907E text on black | 5.32:1 | AA | Lc -35.3 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFD9
oklch(88.5% 0.026 178.3)
-
Step 300
300
#A1CBC1
oklch(80.9% 0.047 178.9)
-
Step 400
400
#6BB0A2
oklch(70.7% 0.073 179.7)
-
Step 500
500
#3B9C8B
oklch(63.1% 0.094 179.5)
-
Step 600
600 (this color)
#18907E
oklch(58.8% 0.102 179.3)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#114C42
oklch(37.7% 0.061 178.9)
-
Step 950
950
#0D2D27
oklch(27.1% 0.039 178.8)
#18907E 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) | #8A877D | 0.108 |
| Deuteranopia (no green cones) | #7A7C7F | 0.101 |
| Tritanopia (no blue cones) | #00938B | 0.019 |
| Achromatopsia (no color) | #808080 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18907E
#18907E
oklch(58.8% 0.102 179.3)
- #AD617B
#AD617B
oklch(58.7% 0.103 358.9)
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 #18907E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.029
- Blue Green #0F9B8E ΔE 0.035
- Teal Green #0A9396 ΔE 0.035
- Viridian #1E9167 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.035
- Ocean Green #3D9973 ΔE 0.042
- Persian Green #2A9D8F ΔE 0.043
- Sea #3C9992 ΔE 0.044
Use #18907E 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.