#4D6563
Closest named color: Slate (#516572). oklch(48.7% 0.029 189.9), rgb(77, 101, 99).
Aa
White text reads best on this color (6.25:1).
About this color
#4D6563 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.026 away. White text reads best on it, at 6.25:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #4D6563 |
| RGB | rgb(77, 101, 99) |
| HSL | hsl(175, 13%, 35%) |
| OKLCH | oklch(48.7% 0.029 189.9) |
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 #4D6563 | 6.25:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #4D6563 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #4D6563 text on white | 6.25:1 | AA | Lc 81.2 | Fine for body text |
| #4D6563 text on black | 3.35:1 | AA large text | Lc -20.7 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBDA
oklch(88.6% 0.008 186.9)
-
Step 300
300
#B7C4C2
oklch(81% 0.015 185.9)
-
Step 400
400
#92A5A3
oklch(70.7% 0.022 189)
-
Step 500
500
#768F8D
oklch(63% 0.029 190.5)
-
Step 600
600
#5F7977
oklch(55.5% 0.03 190.5)
-
Step 700
700 (this color)
#4D6563
oklch(48.7% 0.029 189.9)
-
Step 800
800
#405352
oklch(42.6% 0.024 192.3)
-
Step 900
900
#374544
oklch(37.8% 0.018 191.1)
-
Step 950
950
#202828
oklch(26.9% 0.011 196.5)
#4D6563 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) | #626263 | 0.031 |
| Deuteranopia (no green cones) | #5E5F63 | 0.029 |
| Tritanopia (no blue cones) | #466664 | 0.009 |
| Achromatopsia (no color) | #606060 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D6563
#4D6563
oklch(48.7% 0.029 189.9)
- #6F595C
#6F595C
oklch(48.7% 0.029 9)
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 #4D6563, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.026
- Dim Gray #696969 ΔE 0.045
- Dark Aqua #05696B ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
- YInMn Blue #415A77 ΔE 0.057
- Dark Aquamarine #017371 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.059
- Dusty Grape #545775 ΔE 0.060
Use #4D6563 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.