#677685
Closest named color: Battleship Gray (#6C757D). oklch(55.9% 0.029 248.4), rgb(103, 118, 133).
Aa
White text reads best on this color (4.65:1).
About this color
#677685 is a medium-dark close to neutral grey. In OKLCH its lightness is 56%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.013 away. White text reads best on it, at 4.65:1.
| Hue family | Neutrals |
| Lightness | medium-dark (56%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.50:1 |
| White text | 4.65:1 |
Values
| HEX | #677685 |
| RGB | rgb(103, 118, 133) |
| HSL | hsl(210, 13%, 46%) |
| OKLCH | oklch(55.9% 0.029 248.4) |
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 #677685 | 4.65:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #677685 | 4.50:1 | AA | Lc 31.7 | Non-text elements, placeholder text |
| #677685 text on white | 4.65:1 | AA | Lc 72.4 | Content text, not long reading |
| #677685 text on black | 4.50:1 | AA | Lc -29.3 | 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
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#BAC1C9
oklch(80.8% 0.014 251.6)
-
Step 400
400
#97A2AE
oklch(70.7% 0.022 250.5)
-
Step 500
500
#7D8B99
oklch(63% 0.027 248.3)
-
Step 600
600 (this color)
#677685
oklch(55.9% 0.029 248.4)
-
Step 700
700
#556270
oklch(49% 0.028 250.3)
-
Step 800
800
#45505B
oklch(42.6% 0.023 248.4)
-
Step 900
900
#3A434B
oklch(37.8% 0.018 245.1)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#677685 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) | #707686 | 0.013 |
| Deuteranopia (no green cones) | #6D7385 | 0.012 |
| Tritanopia (no blue cones) | #5F797B | 0.024 |
| Achromatopsia (no color) | #747474 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677685
#677685
oklch(55.9% 0.029 248.4)
- #807162
#807162
oklch(55.8% 0.029 67.2)
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 #677685, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.013
- Battleship Grey #6B7C85 ΔE 0.019
- Grey Blue #647D8E ΔE 0.021
- Slate Gray #708090 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.036
- Steel Grey #6F828A ΔE 0.037
- Stormy Blue #507B9C ΔE 0.041
- Medium Grey #7D7F7C ΔE 0.047
Use #677685 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.