#497171
Closest named color: Slate (#516572). oklch(51.9% 0.045 195.9), rgb(73, 113, 113).
Aa
White text reads best on this color (5.40:1).
About this color
#497171 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.045 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.038 away. White text reads best on it, at 5.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #497171 |
| RGB | rgb(73, 113, 113) |
| HSL | hsl(180, 22%, 36%) |
| OKLCH | oklch(51.9% 0.045 195.9) |
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 #497171 | 5.40:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #497171 | 3.88:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #497171 text on white | 5.40:1 | AA | Lc 76.9 | Fine for body text |
| #497171 text on black | 3.88:1 | AA large text | Lc -24.9 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D1DCDC
oklch(88.6% 0.012 196.9)
-
Step 300
300
#B1C5C5
oklch(80.8% 0.022 196.7)
-
Step 400
400
#88A8A8
oklch(70.8% 0.035 196.4)
-
Step 500
500
#6A9292
oklch(63.1% 0.044 196.1)
-
Step 600
600
#517C7C
oklch(55.5% 0.048 195.9)
-
Step 700
700 (this color)
#497171
oklch(51.9% 0.045 195.9)
-
Step 800
800
#365656
oklch(42.8% 0.038 195.8)
-
Step 900
900
#2F4747
oklch(37.8% 0.03 196)
-
Step 950
950
#1C2929
oklch(26.9% 0.018 196.1)
#497171 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) | #6C6D71 | 0.047 |
| Deuteranopia (no green cones) | #656871 | 0.044 |
| Tritanopia (no blue cones) | #397371 | 0.017 |
| Achromatopsia (no color) | #6A6A6A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #497171
#497171
oklch(51.9% 0.045 195.9)
- #815E60
#815E60
oklch(51.9% 0.046 15)
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 #497171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.038
- Deep Aqua #08787F ΔE 0.043
- Deep Turquoise #017374 ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.044
- Dim Gray #696969 ΔE 0.045
- Bluegreen #017A79 ΔE 0.045
- Metallic Blue #4F738E ΔE 0.047
- Battleship Gray #6C757D ΔE 0.053
Use #497171 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.