#677E77
Closest named color: Battleship Grey (#6B7C85). oklch(57.3% 0.029 174.8), rgb(103, 126, 119).
Aa
Black text reads best on this color (4.82:1).
About this color
#677E77 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 0.025 away. Black text reads best on it, at 4.82:1.
| Hue family | Neutrals |
| Lightness | medium-dark (57%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #677E77 |
| RGB | rgb(103, 126, 119) |
| HSL | hsl(162, 10%, 45%) |
| OKLCH | oklch(57.3% 0.029 174.8) |
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 #677E77 | 4.35:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #677E77 | 4.82:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #677E77 text on white | 4.35:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #677E77 text on black | 4.82:1 | AA | Lc -31.5 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBD9
oklch(88.5% 0.008 177.3)
-
Step 300
300
#B8C3C0
oklch(80.8% 0.013 177.9)
-
Step 400
400
#94A5A0
oklch(70.7% 0.02 176.2)
-
Step 500
500
#798F88
oklch(63.1% 0.027 174.2)
-
Step 600
600 (this color)
#677E77
oklch(57.3% 0.029 174.8)
-
Step 700
700
#516660
oklch(49.1% 0.027 175.9)
-
Step 800
800
#43534E
oklch(42.7% 0.022 174.3)
-
Step 900
900
#384541
oklch(37.7% 0.018 174.7)
-
Step 950
950
#212826
oklch(26.9% 0.011 176.4)
#677E77 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) | #7C7B77 | 0.030 |
| Deuteranopia (no green cones) | #787877 | 0.028 |
| Tritanopia (no blue cones) | #627F7C | 0.009 |
| Achromatopsia (no color) | #797979 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677E77
#677E77
oklch(57.3% 0.029 174.8)
- #877179
#877179
oklch(57.2% 0.03 354.2)
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 #677E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.025
- Steel Grey #6F828A ΔE 0.032
- Battleship Gray #6C757D ΔE 0.032
- Medium Grey #7D7F7C ΔE 0.033
- Grey Blue #647D8E ΔE 0.037
- Gray #808080 ΔE 0.040
- Slate Gray #708090 ΔE 0.041
- Steel #738595 ΔE 0.050
Use #677E77 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.