#647066
Closest named color: Dim Gray (#696969). oklch(53.2% 0.021 150.3), rgb(100, 112, 102).
Aa
White text reads best on this color (5.18:1).
About this color
#647066 is a medium-dark close to neutral grey. In OKLCH its lightness is 53%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.024 away. White text reads best on it, at 5.18:1.
| Hue family | Neutrals |
| Lightness | medium-dark (53%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #647066 |
| RGB | rgb(100, 112, 102) |
| HSL | hsl(130, 6%, 42%) |
| OKLCH | oklch(53.2% 0.021 150.3) |
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 #647066 | 5.18:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #647066 | 4.05:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #647066 text on white | 5.18:1 | AA | Lc 75.7 | Fine for body text |
| #647066 text on black | 4.05:1 | AA large text | Lc -26.0 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D7DAD7
oklch(88.5% 0.005 145.5)
-
Step 300
300
#BCC2BD
oklch(80.8% 0.01 150.7)
-
Step 400
400
#9AA39C
oklch(70.6% 0.014 152.5)
-
Step 500
500
#818D83
oklch(63.1% 0.02 150.4)
-
Step 600
600 (this color)
#647066
oklch(53.2% 0.021 150.3)
-
Step 700
700
#59645B
oklch(49.1% 0.02 150.8)
-
Step 800
800
#49524A
oklch(42.8% 0.017 148.5)
-
Step 900
900
#3D443E
oklch(37.8% 0.014 149.5)
-
Step 950
950
#242824
oklch(27.1% 0.009 145.3)
#647066 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) | #706E65 | 0.018 |
| Deuteranopia (no green cones) | #6E6C66 | 0.018 |
| Tritanopia (no blue cones) | #636F6D | 0.012 |
| Achromatopsia (no color) | #6D6D6D | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647066
#647066
oklch(53.2% 0.021 150.3)
- #746872
#746872
oklch(53.2% 0.021 331.4)
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 #647066, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.024
- Battleship Gray #6C757D ΔE 0.038
- Grey Brown #7F7053 ΔE 0.047
- Dark Taupe #7F684E ΔE 0.049
- Slate #516572 ΔE 0.052
- Battleship Grey #6B7C85 ΔE 0.053
- Dull Brown #876E4B ΔE 0.061
- Grey Blue #647D8E ΔE 0.062
Use #647066 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.