#677F83
Closest named color: Battleship Grey (#6B7C85). oklch(57.9% 0.028 208.8), rgb(103, 127, 131).
Aa
Black text reads best on this color (4.94:1).
About this color
#677F83 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 0.011 away. Black text reads best on it, at 4.94:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.94:1 |
| White text | 4.25:1 |
Values
| HEX | #677F83 |
| RGB | rgb(103, 127, 131) |
| HSL | hsl(189, 12%, 46%) |
| OKLCH | oklch(57.9% 0.028 208.8) |
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 #677F83 | 4.25:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #677F83 | 4.94:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #677F83 text on white | 4.25:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #677F83 text on black | 4.94:1 | AA | Lc -32.3 | 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
#D4DADB
oklch(88.4% 0.007 208.8)
-
Step 300
300
#B8C3C5
oklch(80.9% 0.012 209.8)
-
Step 400
400
#93A4A7
oklch(70.6% 0.02 209.4)
-
Step 500
500
#788E92
oklch(63.1% 0.026 209.8)
-
Step 600
600 (this color)
#677F83
oklch(57.9% 0.028 208.8)
-
Step 700
700
#506569
oklch(49.1% 0.026 210.5)
-
Step 800
800
#415355
oklch(42.8% 0.023 204.7)
-
Step 900
900
#374446
oklch(37.6% 0.017 207.8)
-
Step 950
950
#212829
oklch(27% 0.01 207.1)
#677F83 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) | #7B7D83 | 0.028 |
| Deuteranopia (no green cones) | #767983 | 0.026 |
| Tritanopia (no blue cones) | #5F8180 | 0.013 |
| Achromatopsia (no color) | #7B7B7B | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677F83
#677F83
oklch(57.9% 0.028 208.8)
- #8A7470
#8A7470
oklch(57.9% 0.028 30.1)
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 #677F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.011
- Steel Grey #6F828A ΔE 0.017
- Grey Blue #647D8E ΔE 0.020
- Slate Gray #708090 ΔE 0.024
- Battleship Gray #6C757D ΔE 0.028
- Medium Grey #7D7F7C ΔE 0.031
- Steel #738595 ΔE 0.035
- Gray #808080 ΔE 0.035
Use #677F83 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.