#17817D
Closest named color: Teal (#008080). oklch(54.7% 0.089 190.9), rgb(23, 129, 125).
Aa
White text reads best on this color (4.69:1).
About this color
#17817D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.089 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.008 away. White text reads best on it, at 4.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #17817D |
| RGB | rgb(23, 129, 125) |
| HSL | hsl(178, 70%, 30%) |
| OKLCH | oklch(54.7% 0.089 190.9) |
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 #17817D | 4.69:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #17817D | 4.47:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #17817D text on white | 4.69:1 | AA | Lc 72.2 | Content text, not long reading |
| #17817D text on black | 4.47:1 | AA large text | Lc -29.5 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A4C9C7
oklch(80.9% 0.039 192.3)
-
Step 400
400
#70AEAA
oklch(70.8% 0.064 190.6)
-
Step 500
500
#459995
oklch(63% 0.081 191.1)
-
Step 600
600 (this color)
#17817D
oklch(54.7% 0.089 190.9)
-
Step 700
700
#086F6C
oklch(49% 0.082 191.5)
-
Step 800
800
#105B58
oklch(42.8% 0.069 190.8)
-
Step 900
900
#184B48
oklch(37.8% 0.054 189.7)
-
Step 950
950
#102C2A
oklch(27.1% 0.034 189.1)
#17817D 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) | #797A7D | 0.094 |
| Deuteranopia (no green cones) | #6A6F7E | 0.088 |
| Tritanopia (no blue cones) | #008580 | 0.012 |
| Achromatopsia (no color) | #747474 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17817D
#17817D
oklch(54.7% 0.089 190.9)
- #9D5A64
#9D5A64
oklch(54.7% 0.089 10.8)
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 #17817D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.008
- Bluegreen #017A79 ΔE 0.023
- Deep Aqua #08787F ΔE 0.031
- Dark Cyan #008B8B ΔE 0.031
- Ocean #017B92 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.045
- Teal Blue #01889F ΔE 0.052
Use #17817D 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.