#677E84
Closest named color: Battleship Grey (#6B7C85). oklch(57.7% 0.028 215.3), rgb(103, 126, 132).
Aa
Black text reads best on this color (4.89:1).
About this color
#677E84 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.008 away. Black text reads best on it, at 4.89:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #677E84 |
| RGB | rgb(103, 126, 132) |
| HSL | hsl(192, 12%, 46%) |
| OKLCH | oklch(57.7% 0.028 215.3) |
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 #677E84 | 4.29:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #677E84 | 4.89:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #677E84 text on white | 4.29:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #677E84 text on black | 4.89:1 | AA | Lc -32.0 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D4DADC
oklch(88.4% 0.007 219.6)
-
Step 300
300
#B8C3C6
oklch(81% 0.013 215.8)
-
Step 400
400
#93A4A9
oklch(70.7% 0.021 217.3)
-
Step 500
500
#788E93
oklch(63.1% 0.026 213)
-
Step 600
600 (this color)
#677E84
oklch(57.7% 0.028 215.3)
-
Step 700
700
#50656A
oklch(49.1% 0.026 213.8)
-
Step 800
800
#425257
oklch(42.7% 0.022 218.7)
-
Step 900
900
#384447
oklch(37.7% 0.016 214.5)
-
Step 950
950
#21282A
oklch(27.1% 0.011 216.9)
#677E84 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) | #7A7C84 | 0.026 |
| Deuteranopia (no green cones) | #757884 | 0.025 |
| Tritanopia (no blue cones) | #5E8080 | 0.015 |
| Achromatopsia (no color) | #7A7A7A | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677E84
#677E84
oklch(57.7% 0.028 215.3)
- #89746E
#89746E
oklch(57.7% 0.028 36.5)
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 #677E84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.008
- Grey Blue #647D8E ΔE 0.017
- Steel Grey #6F828A ΔE 0.018
- Slate Gray #708090 ΔE 0.023
- Battleship Gray #6C757D ΔE 0.025
- Medium Grey #7D7F7C ΔE 0.033
- Steel #738595 ΔE 0.035
- Gray #808080 ΔE 0.036
Use #677E84 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.