#717D97
Closest named color: Slate Gray (#708090). oklch(58.9% 0.042 265.6), rgb(113, 125, 151).
Aa
Black text reads best on this color (5.08:1).
About this color
#717D97 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.042 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.016 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #717D97 |
| RGB | rgb(113, 125, 151) |
| HSL | hsl(221, 15%, 52%) |
| OKLCH | oklch(58.9% 0.042 265.6) |
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 #717D97 | 4.13:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #717D97 | 5.08:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #717D97 text on white | 4.13:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #717D97 text on black | 5.08:1 | AA | Lc -33.2 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E0
oklch(88.5% 0.01 267.4)
-
Step 300
300
#BBC1CD
oklch(81% 0.018 264.5)
-
Step 400
400
#97A1B4
oklch(70.7% 0.03 263.4)
-
Step 500
500
#7E89A2
oklch(63% 0.04 266.5)
-
Step 600
600 (this color)
#717D97
oklch(58.9% 0.042 265.6)
-
Step 700
700
#566178
oklch(49.2% 0.039 264.9)
-
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
#23262F
oklch(26.9% 0.017 270.7)
#717D97 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) | #757F98 | 0.008 |
| Deuteranopia (no green cones) | #717B96 | 0.006 |
| Tritanopia (no blue cones) | #678286 | 0.037 |
| Achromatopsia (no color) | #7D7D7D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717D97
#717D97
oklch(58.9% 0.042 265.6)
- #887C60
#887C60
oklch(59% 0.043 87.5)
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 #717D97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.016
- Lavender Gray #7E7F9A ΔE 0.021
- Grey Blue #647D8E ΔE 0.024
- Steel #738595 ΔE 0.025
- Steel Grey #6F828A ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.030
- Light Slate Gray #778899 ΔE 0.033
- Battleship Gray #6C757D ΔE 0.042
Use #717D97 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.