#647372
Closest named color: Battleship Gray (#6C757D). oklch(54.3% 0.018 191.7), rgb(100, 115, 114).
Aa
White text reads best on this color (4.95:1).
About this color
#647372 is a medium-dark close to neutral grey. In OKLCH its lightness is 54%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.021 away. White text reads best on it, at 4.95:1.
| Hue family | Neutrals |
| Lightness | medium-dark (54%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #647372 |
| RGB | rgb(100, 115, 114) |
| HSL | hsl(176, 7%, 42%) |
| OKLCH | oklch(54.3% 0.018 191.7) |
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 #647372 | 4.95:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #647372 | 4.23:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #647372 text on white | 4.95:1 | AA | Lc 74.3 | Content text, not long reading |
| #647372 text on black | 4.23:1 | AA large text | Lc -27.4 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D6DADA
oklch(88.5% 0.004 197.1)
-
Step 300
300
#BBC2C2
oklch(80.9% 0.008 197)
-
Step 400
400
#98A3A2
oklch(70.6% 0.013 190.3)
-
Step 500
500
#7F8D8C
oklch(63.2% 0.016 191.5)
-
Step 600
600 (this color)
#647372
oklch(54.3% 0.018 191.7)
-
Step 700
700
#566463
oklch(49.1% 0.017 191.3)
-
Step 800
800
#475251
oklch(42.9% 0.014 190)
-
Step 900
900
#3B4343
oklch(37.6% 0.011 196.7)
-
Step 950
950
#232827
oklch(27.1% 0.007 182.4)
#647372 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) | #717172 | 0.019 |
| Deuteranopia (no green cones) | #6E6F72 | 0.018 |
| Tritanopia (no blue cones) | #607473 | 0.006 |
| Achromatopsia (no color) | #707070 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647372
#647372
oklch(54.3% 0.018 191.7)
- #7A6B6D
#7A6B6D
oklch(54.3% 0.019 8.6)
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 #647372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.021
- Dim Gray #696969 ΔE 0.028
- Battleship Grey #6B7C85 ΔE 0.036
- Grey Blue #647D8E ΔE 0.045
- Metallic Blue #4F738E ΔE 0.049
- Slate #516572 ΔE 0.053
- Steel Grey #6F828A ΔE 0.053
- Medium Grey #7D7F7C ΔE 0.053
Use #647372 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.