#017573
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.087 192.7), rgb(1, 117, 115).
Aa
White text reads best on this color (5.53:1).
About this color
#017573 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.087 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.006 away. White text reads best on it, at 5.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #017573 |
| RGB | rgb(1, 117, 115) |
| HSL | hsl(179, 98%, 23%) |
| OKLCH | oklch(50.9% 0.087 192.7) |
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 #017573 | 5.53:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #017573 | 3.79:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #017573 text on white | 5.53:1 | AA | Lc 77.1 | Fine for body text |
| #017573 text on black | 3.79:1 | AA large text | Lc -24.6 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DEDD
oklch(88.4% 0.023 193.4)
-
Step 300
300
#A2CAC8
oklch(81% 0.042 192.6)
-
Step 400
400
#6DAEAC
oklch(70.7% 0.067 193.3)
-
Step 500
500
#3E9A97
oklch(63.1% 0.086 192.2)
-
Step 600
600
#0A8482
oklch(55.5% 0.093 192.9)
-
Step 700
700 (this color)
#017573
oklch(50.9% 0.087 192.7)
-
Step 800
800
#045B5A
oklch(42.7% 0.072 193.5)
-
Step 900
900
#134B4A
oklch(37.7% 0.056 193.3)
-
Step 950
950
#0E2C2B
oklch(27% 0.036 192.3)
#017573 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) | #6D6E73 | 0.092 |
| Deuteranopia (no green cones) | #5F6474 | 0.086 |
| Tritanopia (no blue cones) | #007974 | 0.012 |
| Achromatopsia (no color) | #686868 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017573
#017573
oklch(50.9% 0.087 192.7)
- #905058
#905058
oklch(50.9% 0.086 12.6)
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 #017573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.006
- Deep Turquoise #017374 ΔE 0.007
- Bluegreen #017A79 ΔE 0.016
- Deep Aqua #08787F ΔE 0.020
- Teal #008080 ΔE 0.035
- Dark Aqua #05696B ΔE 0.037
- Ocean #017B92 ΔE 0.049
- Sea Blue #047495 ΔE 0.057
Use #017573 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.