#017C87
Closest named color: Deep Aqua (#08787F). oklch(53.5% 0.091 205.7), rgb(1, 124, 135).
Aa
White text reads best on this color (4.95:1).
About this color
#017C87 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.091 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.015 away. White text reads best on it, at 4.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #017C87 |
| RGB | rgb(1, 124, 135) |
| HSL | hsl(185, 99%, 27%) |
| OKLCH | oklch(53.5% 0.091 205.7) |
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 #017C87 | 4.95:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #017C87 | 4.23:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #017C87 text on white | 4.95:1 | AA | Lc 73.8 | Content text, not long reading |
| #017C87 text on black | 4.23:1 | AA large text | Lc -27.9 | 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
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A3C9CD
oklch(81% 0.041 204.3)
-
Step 400
400
#6EADB5
oklch(70.8% 0.066 206)
-
Step 500
500
#4198A2
oklch(63.1% 0.084 205.6)
-
Step 600
600 (this color)
#017C87
oklch(53.5% 0.091 205.7)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#095A62
oklch(42.8% 0.07 205.7)
-
Step 900
900
#154A50
oklch(37.8% 0.055 205.9)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#017C87 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) | #707688 | 0.089 |
| Deuteranopia (no green cones) | #616B87 | 0.082 |
| Tritanopia (no blue cones) | #00827F | 0.026 |
| Achromatopsia (no color) | #707070 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017C87
#017C87
oklch(53.5% 0.091 205.7)
- #9B5751
#9B5751
oklch(53.4% 0.091 25.9)
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 #017C87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.015
- Ocean #017B92 ΔE 0.019
- Teal #008080 ΔE 0.019
- Bluegreen #017A79 ΔE 0.022
- Deep Turquoise #017374 ΔE 0.036
- Sea Blue #047495 ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.039
- Dark Cyan #008B8B ΔE 0.046
Use #017C87 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.