#677679
Closest named color: Battleship Gray (#6C757D). oklch(55.4% 0.018 211.1), rgb(103, 118, 121).
Aa
White text reads best on this color (4.72:1).
About this color
#677679 is a medium-dark close to neutral grey. In OKLCH its lightness is 55%, its chroma 0.018. 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 4.72:1.
| Hue family | Neutrals |
| Lightness | medium-dark (55%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #677679 |
| RGB | rgb(103, 118, 121) |
| HSL | hsl(190, 8%, 44%) |
| OKLCH | oklch(55.4% 0.018 211.1) |
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 #677679 | 4.72:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #677679 | 4.44:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #677679 text on white | 4.72:1 | AA | Lc 72.8 | Content text, not long reading |
| #677679 text on black | 4.44:1 | AA large text | Lc -28.9 | 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
#F5F6F6
oklch(97.2% 0.001 197.1)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6DADB
oklch(88.6% 0.005 214.3)
-
Step 300
300
#BBC2C4
oklch(80.9% 0.008 216.6)
-
Step 400
400
#98A3A5
oklch(70.7% 0.013 209.8)
-
Step 500
500
#7E8C8F
oklch(63% 0.017 212)
-
Step 600
600 (this color)
#677679
oklch(55.4% 0.018 211.1)
-
Step 700
700
#566466
oklch(49.2% 0.017 207.1)
-
Step 800
800
#465153
oklch(42.6% 0.014 209.8)
-
Step 900
900
#3B4345
oklch(37.6% 0.011 214.4)
-
Step 950
950
#232728
oklch(26.9% 0.006 214.4)
#677679 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) | #737579 | 0.017 |
| Deuteranopia (no green cones) | #707279 | 0.017 |
| Tritanopia (no blue cones) | #627877 | 0.010 |
| Achromatopsia (no color) | #737373 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677679
#677679
oklch(55.4% 0.018 211.1)
- #7D6F6C
#7D6F6C
oklch(55.4% 0.018 32.1)
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 #677679, 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 0.023
- Grey Blue #647D8E ΔE 0.032
- Dim Gray #696969 ΔE 0.038
- Steel Grey #6F828A ΔE 0.041
- Slate Gray #708090 ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.043
- Metallic Blue #4F738E ΔE 0.047
Use #677679 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.