#616678
Closest named color: Slate (#516572). oklch(51.2% 0.029 273.1), rgb(97, 102, 120).
Aa
White text reads best on this color (5.70:1).
About this color
#616678 is a medium-dark close to neutral grey. In OKLCH its lightness is 51%, 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 5.70:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #616678 |
| RGB | rgb(97, 102, 120) |
| HSL | hsl(227, 11%, 43%) |
| OKLCH | oklch(51.2% 0.029 273.1) |
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 #616678 | 5.70:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #616678 | 3.68:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #616678 text on white | 5.70:1 | AA | Lc 78.6 | Fine for body text |
| #616678 text on black | 3.68:1 | AA large text | Lc -23.2 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAED
oklch(93.7% 0.004 271.4)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0CA
oklch(80.8% 0.014 272.7)
-
Step 400
400
#9CA0AF
oklch(70.7% 0.022 273.9)
-
Step 500
500
#83899B
oklch(63.1% 0.028 270.9)
-
Step 600
600
#6D7286
oklch(55.5% 0.032 274.3)
-
Step 700
700 (this color)
#616678
oklch(51.2% 0.029 273.1)
-
Step 800
800
#4A4E5D
oklch(42.6% 0.025 273.5)
-
Step 900
900
#3E414C
oklch(37.7% 0.019 273.4)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#616678 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) | #616779 | 0.003 |
| Deuteranopia (no green cones) | #5F6678 | 0.003 |
| Tritanopia (no blue cones) | #5C696C | 0.025 |
| Achromatopsia (no color) | #666666 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616678
#616678
oklch(51.2% 0.029 273.1)
- #6C6754
#6C6754
oklch(51.3% 0.029 95)
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 #616678, 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 0.030
- Metallic Blue #4F738E ΔE 0.046
- Battleship Gray #6C757D ΔE 0.048
- Dusty Grape #545775 ΔE 0.050
- Denim #3B638C ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Dusty Purple #825F87 ΔE 0.064
Use #616678 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.