#616777
Closest named color: Slate (#516572). oklch(51.4% 0.026 269.2), rgb(97, 103, 119).
Aa
White text reads best on this color (5.65:1).
About this color
#616777 is a medium-dark close to neutral grey. In OKLCH its lightness is 51%, its chroma 0.026. 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 5.65:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #616777 |
| RGB | rgb(97, 103, 119) |
| HSL | hsl(224, 10%, 42%) |
| OKLCH | oklch(51.4% 0.026 269.2) |
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 #616777 | 5.65:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #616777 | 3.71:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #616777 text on white | 5.65:1 | AA | Lc 78.3 | Fine for body text |
| #616777 text on black | 3.71:1 | AA large text | Lc -23.5 | 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
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0C9
oklch(80.8% 0.013 271.3)
-
Step 400
400
#9BA0AE
oklch(70.6% 0.021 270.1)
-
Step 500
500
#83899A
oklch(63.1% 0.026 270.2)
-
Step 600
600
#6C7384
oklch(55.6% 0.028 267.7)
-
Step 700
700 (this color)
#616777
oklch(51.4% 0.026 269.2)
-
Step 800
800
#4A4F5B
oklch(42.8% 0.021 267.5)
-
Step 900
900
#3E414B
oklch(37.6% 0.018 272.3)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#616777 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) | #626878 | 0.004 |
| Deuteranopia (no green cones) | #616677 | 0.003 |
| Tritanopia (no blue cones) | #5C6A6C | 0.024 |
| Achromatopsia (no color) | #676767 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616777
#616777
oklch(51.4% 0.026 269.2)
- #6D6756
#6D6756
oklch(51.4% 0.027 90.9)
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 #616777, 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 0.027
- Metallic Blue #4F738E ΔE 0.045
- Battleship Gray #6C757D ΔE 0.045
- Dusty Grape #545775 ΔE 0.054
- Denim #3B638C ΔE 0.062
- YInMn Blue #415A77 ΔE 0.063
- Battleship Grey #6B7C85 ΔE 0.063
Use #616777 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.