#717C87
Closest named color: Battleship Grey (#6B7C85). oklch(58.1% 0.021 248.2), rgb(113, 124, 135).
Aa
Black text reads best on this color (4.93:1).
About this color
#717C87 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.009 away. Black text reads best on it, at 4.93:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #717C87 |
| RGB | rgb(113, 124, 135) |
| HSL | hsl(210, 9%, 49%) |
| OKLCH | oklch(58.1% 0.021 248.2) |
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 #717C87 | 4.25:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #717C87 | 4.93:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #717C87 text on white | 4.25:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #717C87 text on black | 4.93:1 | AA | Lc -32.2 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DC
oklch(88.4% 0.005 247.9)
-
Step 300
300
#BCC1C7
oklch(80.9% 0.01 252.8)
-
Step 400
400
#99A2AA
oklch(70.8% 0.016 244.8)
-
Step 500
500
#808B95
oklch(63.1% 0.02 245.5)
-
Step 600
600 (this color)
#717C87
oklch(58.1% 0.021 248.2)
-
Step 700
700
#58626C
oklch(49.1% 0.02 248.2)
-
Step 800
800
#485058
oklch(42.7% 0.017 248.2)
-
Step 900
900
#3C4248
oklch(37.6% 0.013 248.2)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#717C87 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) | #787C88 | 0.010 |
| Deuteranopia (no green cones) | #757A87 | 0.008 |
| Tritanopia (no blue cones) | #6C7E7F | 0.017 |
| Achromatopsia (no color) | #7B7B7B | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717C87
#717C87
oklch(58.1% 0.021 248.2)
- #83796D
#83796D
oklch(58.2% 0.022 72.4)
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 #717C87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.009
- Slate Gray #708090 ΔE 0.015
- Steel Grey #6F828A ΔE 0.017
- Grey Blue #647D8E ΔE 0.019
- Battleship Gray #6C757D ΔE 0.024
- Medium Grey #7D7F7C ΔE 0.027
- Gray #808080 ΔE 0.029
- Steel #738595 ΔE 0.029
Use #717C87 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.