#4D645F
Closest named color: Slate (#516572). oklch(48.3% 0.029 180.3), rgb(77, 100, 95).
Aa
White text reads best on this color (6.35:1).
About this color
#4D645F is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.031 away. White text reads best on it, at 6.35:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #4D645F |
| RGB | rgb(77, 100, 95) |
| HSL | hsl(167, 13%, 35%) |
| OKLCH | oklch(48.3% 0.029 180.3) |
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 #4D645F | 6.35:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #4D645F | 3.30:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #4D645F text on white | 6.35:1 | AA | Lc 81.6 | Fine for body text |
| #4D645F text on black | 3.30:1 | AA large text | Lc -20.3 | 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 700.
-
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
#B8C4C1
oklch(81% 0.014 179.4)
-
Step 400
400
#92A5A1
oklch(70.6% 0.022 181.6)
-
Step 500
500
#778F8A
oklch(63% 0.028 181.3)
-
Step 600
600
#607A74
oklch(55.7% 0.032 179.4)
-
Step 700
700 (this color)
#4D645F
oklch(48.3% 0.029 180.3)
-
Step 800
800
#41534F
oklch(42.6% 0.023 180.1)
-
Step 900
900
#374542
oklch(37.7% 0.019 180.8)
-
Step 950
950
#202827
oklch(26.9% 0.011 187.3)
#4D645F 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) | #62615F | 0.031 |
| Deuteranopia (no green cones) | #5E5E5F | 0.029 |
| Tritanopia (no blue cones) | #476562 | 0.008 |
| Achromatopsia (no color) | #5F5F5F | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D645F
#4D645F
oklch(48.3% 0.029 180.3)
- #6D585E
#6D585E
oklch(48.3% 0.029 359.2)
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 #4D645F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.031
- Dim Gray #696969 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.051
- Dark Aqua #05696B ΔE 0.053
- YInMn Blue #415A77 ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.061
- Deep Turquoise #017374 ΔE 0.062
- Dusty Grape #545775 ΔE 0.063
Use #4D645F 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.