#687684
Closest named color: Battleship Gray (#6C757D). oklch(55.9% 0.027 248.3), rgb(104, 118, 132).
Aa
White text reads best on this color (4.65:1).
About this color
#687684 is a medium-dark close to neutral grey. In OKLCH its lightness is 56%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.011 away. White text reads best on it, at 4.65:1.
| Hue family | Neutrals |
| Lightness | medium-dark (56%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.51:1 |
| White text | 4.65:1 |
Values
| HEX | #687684 |
| RGB | rgb(104, 118, 132) |
| HSL | hsl(210, 12%, 46%) |
| OKLCH | oklch(55.9% 0.027 248.3) |
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 #687684 | 4.65:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #687684 | 4.51:1 | AA | Lc 31.7 | Non-text elements, placeholder text |
| #687684 text on white | 4.65:1 | AA | Lc 72.3 | Content text, not long reading |
| #687684 text on black | 4.51:1 | AA | Lc -29.4 | 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 600.
-
Step 50
50
#F4F5F6
oklch(97% 0.002 247.8)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6DADD
oklch(88.6% 0.006 239.8)
-
Step 300
300
#BBC1C8
oklch(80.8% 0.012 252.1)
-
Step 400
400
#97A2AD
oklch(70.7% 0.02 248.1)
-
Step 500
500
#7E8B98
oklch(63.1% 0.025 248.2)
-
Step 600
600 (this color)
#687684
oklch(55.9% 0.027 248.3)
-
Step 700
700
#56626F
oklch(49.1% 0.026 250.5)
-
Step 800
800
#46505A
oklch(42.6% 0.021 248.3)
-
Step 900
900
#3B434A
oklch(37.8% 0.016 244.6)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#687684 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) | #717685 | 0.013 |
| Deuteranopia (no green cones) | #6D7384 | 0.011 |
| Tritanopia (no blue cones) | #61797A | 0.023 |
| Achromatopsia (no color) | #747474 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #687684
#687684
oklch(55.9% 0.027 248.3)
- #7F7263
#7F7263
oklch(56% 0.028 71.2)
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 #687684, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.011
- Battleship Grey #6B7C85 ΔE 0.018
- Grey Blue #647D8E ΔE 0.021
- Slate Gray #708090 ΔE 0.033
- Steel Grey #6F828A ΔE 0.037
- Metallic Blue #4F738E ΔE 0.038
- Stormy Blue #507B9C ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.046
Use #687684 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.