#657A84
Closest named color: Battleship Grey (#6B7C85). oklch(56.6% 0.029 228.3), rgb(101, 122, 132).
Aa
Black text reads best on this color (4.67:1).
About this color
#657A84 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 0.011 away. Black text reads best on it, at 4.67:1.
| Hue family | Neutrals |
| Lightness | medium-dark (57%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #657A84 |
| RGB | rgb(101, 122, 132) |
| HSL | hsl(199, 13%, 46%) |
| OKLCH | oklch(56.6% 0.029 228.3) |
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 #657A84 | 4.49:1 | AA large text | Lc -76.7 | Fine for body text |
| Black text on #657A84 | 4.67:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #657A84 text on white | 4.49:1 | AA large text | Lc 71.2 | Content text, not long reading |
| #657A84 text on black | 4.67:1 | AA | Lc -30.5 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B8C2C7
oklch(80.8% 0.013 229)
-
Step 400
400
#94A3AB
oklch(70.6% 0.021 230.8)
-
Step 500
500
#798D96
oklch(63.1% 0.027 226.7)
-
Step 600
600 (this color)
#657A84
oklch(56.6% 0.029 228.3)
-
Step 700
700
#51646D
oklch(49.1% 0.027 228.2)
-
Step 800
800
#435259
oklch(42.8% 0.022 227.8)
-
Step 900
900
#384449
oklch(37.8% 0.018 225)
-
Step 950
950
#21282B
oklch(27.1% 0.011 225.5)
#657A84 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) | #757985 | 0.023 |
| Deuteranopia (no green cones) | #707584 | 0.020 |
| Tritanopia (no blue cones) | #5C7D7D | 0.020 |
| Achromatopsia (no color) | #777777 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657A84
#657A84
oklch(56.6% 0.029 228.3)
- #857268
#857268
oklch(56.7% 0.028 49.5)
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 #657A84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.011
- Grey Blue #647D8E ΔE 0.015
- Battleship Gray #6C757D ΔE 0.017
- Steel Grey #6F828A ΔE 0.028
- Slate Gray #708090 ΔE 0.028
- Medium Grey #7D7F7C ΔE 0.041
- Metallic Blue #4F738E ΔE 0.041
- Stormy Blue #507B9C ΔE 0.042
Use #657A84 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.