#677A86
Closest named color: Battleship Grey (#6B7C85). oklch(56.8% 0.029 235.8), rgb(103, 122, 134).
Aa
Black text reads best on this color (4.70:1).
About this color
#677A86 is a medium-dark close to neutral grey. In OKLCH its lightness is 57%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.009 away. Black text reads best on it, at 4.70:1.
| Hue family | Neutrals |
| Lightness | medium-dark (57%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #677A86 |
| RGB | rgb(103, 122, 134) |
| HSL | hsl(203, 13%, 46%) |
| OKLCH | oklch(56.8% 0.029 235.8) |
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 #677A86 | 4.46:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #677A86 | 4.70:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #677A86 text on white | 4.46:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #677A86 text on black | 4.70:1 | AA | Lc -30.7 | 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
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#B9C2C8
oklch(80.9% 0.013 236.7)
-
Step 400
400
#95A3AC
oklch(70.7% 0.021 235.9)
-
Step 500
500
#7B8C98
oklch(63.1% 0.027 238.7)
-
Step 600
600 (this color)
#677A86
oklch(56.8% 0.029 235.8)
-
Step 700
700
#52636E
oklch(49% 0.027 236.5)
-
Step 800
800
#44515A
oklch(42.7% 0.022 238.3)
-
Step 900
900
#39434A
oklch(37.7% 0.018 238.5)
-
Step 950
950
#21272B
oklch(26.8% 0.011 237.1)
#677A86 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) | #757987 | 0.020 |
| Deuteranopia (no green cones) | #707686 | 0.016 |
| Tritanopia (no blue cones) | #5E7D7E | 0.021 |
| Achromatopsia (no color) | #777777 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677A86
#677A86
oklch(56.8% 0.029 235.8)
- #857367
#857367
oklch(56.9% 0.029 55.7)
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 #677A86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.009
- Grey Blue #647D8E ΔE 0.013
- Battleship Gray #6C757D ΔE 0.017
- Slate Gray #708090 ΔE 0.025
- Steel Grey #6F828A ΔE 0.026
- Medium Grey #7D7F7C ΔE 0.040
- Steel #738595 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.041
Use #677A86 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.