#18838E
Closest named color: Teal (#008080). oklch(55.9% 0.09 205.8), rgb(24, 131, 142).
Aa
Black text reads best on this color (4.67:1).
About this color
#18838E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.090 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.024 away. Black text reads best on it, at 4.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #18838E |
| RGB | rgb(24, 131, 142) |
| HSL | hsl(186, 71%, 33%) |
| OKLCH | oklch(55.9% 0.09 205.8) |
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 #18838E | 4.49:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #18838E | 4.67:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #18838E text on white | 4.49:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #18838E text on black | 4.67:1 | AA | Lc -30.9 | 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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A3C9CD
oklch(81% 0.041 204.3)
-
Step 400
400
#6EADB4
oklch(70.8% 0.065 204.7)
-
Step 500
500
#4298A2
oklch(63.1% 0.083 205.7)
-
Step 600
600 (this color)
#18838E
oklch(55.9% 0.09 205.8)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#0B5A61
oklch(42.8% 0.07 204.5)
-
Step 900
900
#164A50
oklch(37.8% 0.054 206)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#18838E 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) | #777D8F | 0.088 |
| Deuteranopia (no green cones) | #67728E | 0.080 |
| Tritanopia (no blue cones) | #008986 | 0.026 |
| Achromatopsia (no color) | #777777 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18838E
#18838E
oklch(55.9% 0.09 205.8)
- #A35E58
#A35E58
oklch(55.9% 0.091 25.7)
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 #18838E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.024
- Dark Cyan #008B8B ΔE 0.026
- Teal Blue #01889F ΔE 0.026
- Ocean #017B92 ΔE 0.029
- Deep Aqua #08787F ΔE 0.038
- Bluegreen #017A79 ΔE 0.040
- Teal Green #0A9396 ΔE 0.047
- Cerulean #457B9D ΔE 0.048
Use #18838E 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.