#717E97
Closest named color: Slate Gray (#708090). oklch(59.2% 0.041 263.5), rgb(113, 126, 151).
Aa
Black text reads best on this color (5.13:1).
About this color
#717E97 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.041 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.014 away. Black text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #717E97 |
| RGB | rgb(113, 126, 151) |
| HSL | hsl(219, 15%, 52%) |
| OKLCH | oklch(59.2% 0.041 263.5) |
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 #717E97 | 4.09:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #717E97 | 5.13:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #717E97 text on white | 4.09:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #717E97 text on black | 5.13:1 | AA | Lc -33.6 | Non-text elements, placeholder text |
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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#BAC1CD
oklch(80.9% 0.019 261.3)
-
Step 400
400
#97A1B4
oklch(70.7% 0.03 263.4)
-
Step 500
500
#7E8AA1
oklch(63.2% 0.037 263.5)
-
Step 600
600 (this color)
#717E97
oklch(59.2% 0.041 263.5)
-
Step 700
700
#556177
oklch(49.1% 0.038 262.5)
-
Step 800
800
#464F61
oklch(42.7% 0.032 264.1)
-
Step 900
900
#3B424F
oklch(37.8% 0.024 262.8)
-
Step 950
950
#22272E
oklch(27.1% 0.015 256.8)
#717E97 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) | #767F98 | 0.008 |
| Deuteranopia (no green cones) | #727C96 | 0.005 |
| Tritanopia (no blue cones) | #678386 | 0.037 |
| Achromatopsia (no color) | #7D7D7D | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717E97
#717E97
oklch(59.2% 0.041 263.5)
- #8A7C62
#8A7C62
oklch(59.2% 0.041 82.9)
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 #717E97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.014
- Lavender Gray #7E7F9A ΔE 0.020
- Steel #738595 ΔE 0.022
- Grey Blue #647D8E ΔE 0.023
- Steel Grey #6F828A ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.029
- Light Slate Gray #778899 ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.041
Use #717E97 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.