#017181
Closest named color: Deep Aqua (#08787F). oklch(50.4% 0.087 211.8), rgb(1, 113, 129).
Aa
White text reads best on this color (5.70:1).
About this color
#017181 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.087 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.024 away. White text reads best on it, at 5.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #017181 |
| RGB | rgb(1, 113, 129) |
| HSL | hsl(188, 98%, 25%) |
| OKLCH | oklch(50.4% 0.087 211.8) |
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 #017181 | 5.70:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #017181 | 3.68:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #017181 text on white | 5.70:1 | AA | Lc 78.0 | Fine for body text |
| #017181 text on black | 3.68:1 | AA large text | Lc -23.8 | 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 700.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300
#A2C8D0
oklch(80.8% 0.042 211.9)
-
Step 400
400
#6DACB9
oklch(70.7% 0.067 212.1)
-
Step 500
500
#3F97A8
oklch(63% 0.087 212.4)
-
Step 600
600
#0E8193
oklch(55.5% 0.094 212.2)
-
Step 700
700 (this color)
#017181
oklch(50.4% 0.087 211.8)
-
Step 800
800
#065966
oklch(42.7% 0.073 212.2)
-
Step 900
900
#144953
oklch(37.6% 0.056 212.8)
-
Step 950
950
#0E2B31
oklch(27% 0.036 213.3)
#017181 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) | #656D82 | 0.081 |
| Deuteranopia (no green cones) | #566281 | 0.073 |
| Tritanopia (no blue cones) | #007776 | 0.030 |
| Achromatopsia (no color) | #666666 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017181
#017181
oklch(50.4% 0.087 211.8)
- #8F5044
#8F5044
oklch(50.3% 0.087 31.8)
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 #017181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.024
- Deep Turquoise #017374 ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.029
- Sea Blue #047495 ΔE 0.032
- Bluegreen #017A79 ΔE 0.035
- Ocean #017B92 ΔE 0.036
- Dark Aqua #05696B ΔE 0.038
- Ocean Blue #03719C ΔE 0.044
Use #017181 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.