#647479
Closest named color: Battleship Gray (#6C757D). oklch(54.8% 0.021 218.6), rgb(100, 116, 121).
Aa
White text reads best on this color (4.86:1).
About this color
#647479 is a medium-dark close to neutral grey. In OKLCH its lightness is 55%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.014 away. White text reads best on it, at 4.86:1.
| Hue family | Neutrals |
| Lightness | medium-dark (55%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #647479 |
| RGB | rgb(100, 116, 121) |
| HSL | hsl(194, 10%, 43%) |
| OKLCH | oklch(54.8% 0.021 218.6) |
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 #647479 | 4.86:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #647479 | 4.31:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #647479 text on white | 4.86:1 | AA | Lc 73.7 | Content text, not long reading |
| #647479 text on black | 4.31:1 | AA large text | Lc -28.0 | Dividers and decoration only |
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
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#BAC2C5
oklch(80.9% 0.01 222.1)
-
Step 400
400
#97A3A7
oklch(70.7% 0.015 219.7)
-
Step 500
500
#7D8C91
oklch(63% 0.019 219.8)
-
Step 600
600 (this color)
#647479
oklch(54.8% 0.021 218.6)
-
Step 700
700
#556468
oklch(49.2% 0.019 215.6)
-
Step 800
800
#465155
oklch(42.7% 0.015 221.7)
-
Step 900
900
#3B4346
oklch(37.7% 0.012 222.3)
-
Step 950
950
#222729
oklch(26.9% 0.008 223.7)
#647479 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) | #717379 | 0.019 |
| Deuteranopia (no green cones) | #6D7079 | 0.017 |
| Tritanopia (no blue cones) | #5E7675 | 0.013 |
| Achromatopsia (no color) | #717171 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647479
#647479
oklch(54.8% 0.021 218.6)
- #7C6D68
#7C6D68
oklch(54.7% 0.021 39.3)
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 #647479, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.014
- Battleship Grey #6B7C85 ΔE 0.029
- Dim Gray #696969 ΔE 0.034
- Grey Blue #647D8E ΔE 0.035
- Metallic Blue #4F738E ΔE 0.042
- Steel Grey #6F828A ΔE 0.047
- Slate Gray #708090 ΔE 0.048
- Medium Grey #7D7F7C ΔE 0.051
Use #647479 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.