#138193
Closest named color: Ocean (#017B92). oklch(55.5% 0.093 212.4), rgb(19, 129, 147).
Aa
Black text reads best on this color (4.58:1).
About this color
#138193 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.093 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.020 away. Black text reads best on it, at 4.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #138193 |
| RGB | rgb(19, 129, 147) |
| HSL | hsl(188, 77%, 33%) |
| OKLCH | oklch(55.5% 0.093 212.4) |
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 #138193 | 4.57:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #138193 | 4.58:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #138193 text on white | 4.57:1 | AA | Lc 71.3 | Content text, not long reading |
| #138193 text on black | 4.58:1 | AA | Lc -30.3 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DEE2
oklch(88.6% 0.023 210.4)
-
Step 300
300
#A2C8D1
oklch(80.8% 0.042 213.7)
-
Step 400
400
#6EACB9
oklch(70.7% 0.066 212.4)
-
Step 500
500
#4197A8
oklch(63.1% 0.085 212.7)
-
Step 600
600 (this color)
#138193
oklch(55.5% 0.093 212.4)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#095966
oklch(42.7% 0.072 212.4)
-
Step 900
900
#154953
oklch(37.6% 0.056 213)
-
Step 950
950
#0F2B31
oklch(27% 0.035 213.8)
#138193 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) | #737C94 | 0.085 |
| Deuteranopia (no green cones) | #637093 | 0.078 |
| Tritanopia (no blue cones) | #008887 | 0.033 |
| Achromatopsia (no color) | #757575 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #138193
#138193
oklch(55.5% 0.093 212.4)
- #A25E50
#A25E50
oklch(55.6% 0.092 32.5)
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 #138193, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.020
- Teal Blue #01889F ΔE 0.024
- Teal #008080 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.037
- Deep Aqua #08787F ΔE 0.037
- Cerulean #457B9D ΔE 0.041
- Sea Blue #047495 ΔE 0.042
- Bluegreen #017A79 ΔE 0.043
Use #138193 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.