#188381
Closest named color: Teal (#008080). oklch(55.4% 0.09 192.9), rgb(24, 131, 129).
Aa
Black text reads best on this color (4.60:1).
About this color
#188381 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.090 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.012 away. Black text reads best on it, at 4.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #188381 |
| RGB | rgb(24, 131, 129) |
| HSL | hsl(179, 69%, 30%) |
| OKLCH | oklch(55.4% 0.09 192.9) |
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 #188381 | 4.56:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #188381 | 4.60:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #188381 text on white | 4.56:1 | AA | Lc 71.3 | Content text, not long reading |
| #188381 text on black | 4.60:1 | AA | Lc -30.4 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#C9DEDD
oklch(88.5% 0.022 193.3)
-
Step 300
300
#A3C9C8
oklch(80.8% 0.04 194.4)
-
Step 400
400
#6FAEAB
oklch(70.7% 0.065 191.9)
-
Step 500
500
#439997
oklch(63% 0.082 193.2)
-
Step 600
600 (this color)
#188381
oklch(55.4% 0.09 192.9)
-
Step 700
700
#046F6E
oklch(49.1% 0.083 193.7)
-
Step 800
800
#0E5B59
oklch(42.8% 0.069 192.1)
-
Step 900
900
#174B49
oklch(37.8% 0.054 191.5)
-
Step 950
950
#0F2C2B
oklch(27.1% 0.035 192.2)
#188381 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) | #7A7C81 | 0.094 |
| Deuteranopia (no green cones) | #6C7182 | 0.089 |
| Tritanopia (no blue cones) | #008782 | 0.012 |
| Achromatopsia (no color) | #767676 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #188381
#188381
oklch(55.4% 0.09 192.9)
- #A05C64
#A05C64
oklch(55.5% 0.089 12.8)
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 #188381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.012
- Dark Cyan #008B8B ΔE 0.024
- Bluegreen #017A79 ΔE 0.030
- Deep Aqua #08787F ΔE 0.035
- Ocean #017B92 ΔE 0.042
- Teal Blue #01889F ΔE 0.045
- Teal Green #0A9396 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.051
Use #188381 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.