#008188
Closest named color: Teal (#008080). oklch(54.9% 0.093 201.5), rgb(0, 129, 136).
Aa
White text reads best on this color (4.67:1).
About this color
#008188 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.093 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.012 away. White text reads best on it, at 4.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #008188 |
| RGB | rgb(0, 129, 136) |
| HSL | hsl(183, 100%, 27%) |
| OKLCH | oklch(54.9% 0.093 201.5) |
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 #008188 | 4.67:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #008188 | 4.49:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #008188 text on white | 4.67:1 | AA | Lc 71.9 | Content text, not long reading |
| #008188 text on black | 4.49:1 | AA large text | Lc -29.8 | 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 600.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400
#6CADB2
oklch(70.6% 0.067 202)
-
Step 500
500
#3D999F
oklch(63.1% 0.086 201.2)
-
Step 600
600 (this color)
#008188
oklch(54.9% 0.093 201.5)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#025A5F
oklch(42.6% 0.072 201.4)
-
Step 900
900
#134A4E
oklch(37.6% 0.056 202.1)
-
Step 950
950
#0E2C2E
oklch(27.2% 0.035 201.3)
#008188 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) | #767B89 | 0.094 |
| Deuteranopia (no green cones) | #666F88 | 0.087 |
| Tritanopia (no blue cones) | #008783 | 0.022 |
| Achromatopsia (no color) | #747474 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #008188
#008188
oklch(54.9% 0.093 201.5)
- #A15A59
#A15A59
oklch(55% 0.094 21.4)
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 #008188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.012
- Deep Aqua #08787F ΔE 0.028
- Bluegreen #017A79 ΔE 0.028
- Ocean #017B92 ΔE 0.028
- Dark Cyan #008B8B ΔE 0.030
- Teal Blue #01889F ΔE 0.037
- Deep Turquoise #017374 ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.049
Use #008188 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.