#677A71
Closest named color: Battleship Gray (#6C757D). oklch(56.1% 0.026 165.2), rgb(103, 122, 113).
Aa
Black text reads best on this color (4.59:1).
About this color
#677A71 is a medium-dark close to neutral grey. In OKLCH its lightness is 56%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.029 away. Black text reads best on it, at 4.59:1.
| Hue family | Neutrals |
| Lightness | medium-dark (56%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #677A71 |
| RGB | rgb(103, 122, 113) |
| HSL | hsl(152, 8%, 44%) |
| OKLCH | oklch(56.1% 0.026 165.2) |
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 #677A71 | 4.56:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #677A71 | 4.59:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #677A71 text on white | 4.56:1 | AA | Lc 71.7 | Content text, not long reading |
| #677A71 text on black | 4.59:1 | AA | Lc -30.0 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D5DAD8
oklch(88.4% 0.006 170.4)
-
Step 300
300
#BAC3BF
oklch(80.9% 0.011 167.7)
-
Step 400
400
#96A59E
oklch(70.8% 0.02 166.1)
-
Step 500
500
#7C8E86
oklch(63% 0.024 167)
-
Step 600
600 (this color)
#677A71
oklch(56.1% 0.026 165.2)
-
Step 700
700
#54655D
oklch(49% 0.024 165.3)
-
Step 800
800
#45534C
oklch(42.8% 0.021 163.8)
-
Step 900
900
#3A443F
oklch(37.6% 0.016 164)
-
Step 950
950
#222825
oklch(27% 0.01 164.1)
#677A71 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) | #797771 | 0.027 |
| Deuteranopia (no green cones) | #767572 | 0.025 |
| Tritanopia (no blue cones) | #637A77 | 0.010 |
| Achromatopsia (no color) | #767676 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677A71
#677A71
oklch(56.1% 0.026 165.2)
- #816F78
#816F78
oklch(56.2% 0.026 346.3)
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 #677A71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.039
- Steel Grey #6F828A ΔE 0.042
- Grey Blue #647D8E ΔE 0.043
- Gray #808080 ΔE 0.047
- Dim Gray #696969 ΔE 0.048
- Slate Gray #708090 ΔE 0.049
Use #677A71 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.