#717B87
Closest named color: Battleship Grey (#6B7C85). oklch(57.9% 0.022 253), rgb(113, 123, 135).
Aa
Black text reads best on this color (4.88:1).
About this color
#717B87 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.010 away. Black text reads best on it, at 4.88:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #717B87 |
| RGB | rgb(113, 123, 135) |
| HSL | hsl(213, 9%, 49%) |
| OKLCH | oklch(57.9% 0.022 253) |
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 #717B87 | 4.29:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #717B87 | 4.88:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #717B87 text on white | 4.29:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #717B87 text on black | 4.88:1 | AA | Lc -31.9 | 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
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BCC1C7
oklch(80.9% 0.01 252.8)
-
Step 400
400
#9AA1AA
oklch(70.6% 0.015 254.6)
-
Step 500
500
#818A96
oklch(63% 0.021 255.6)
-
Step 600
600 (this color)
#717B87
oklch(57.9% 0.022 253)
-
Step 700
700
#59626C
oklch(49.2% 0.02 251)
-
Step 800
800
#495058
oklch(42.8% 0.016 251.7)
-
Step 900
900
#3D4249
oklch(37.7% 0.014 256.8)
-
Step 950
950
#24272B
oklch(27.1% 0.009 255.6)
#717B87 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) | #777B88 | 0.009 |
| Deuteranopia (no green cones) | #747987 | 0.007 |
| Tritanopia (no blue cones) | #6C7E7F | 0.019 |
| Achromatopsia (no color) | #7A7A7A | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #717B87
#717B87
oklch(57.9% 0.022 253)
- #82786C
#82786C
oklch(57.8% 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 #717B87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.010
- Slate Gray #708090 ΔE 0.017
- Grey Blue #647D8E ΔE 0.019
- Steel Grey #6F828A ΔE 0.019
- Battleship Gray #6C757D ΔE 0.022
- Medium Grey #7D7F7C ΔE 0.029
- Gray #808080 ΔE 0.031
- Steel #738595 ΔE 0.031
Use #717B87 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.