#616371
Closest named color: Slate (#516572). oklch(50.3% 0.022 279.1), rgb(97, 99, 113).
Aa
White text reads best on this color (5.94:1).
About this color
#616371 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.023 away. White text reads best on it, at 5.94:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #616371 |
| RGB | rgb(97, 99, 113) |
| HSL | hsl(232, 8%, 41%) |
| OKLCH | oklch(50.3% 0.022 279.1) |
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 #616371 | 5.94:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #616371 | 3.53:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #616371 text on white | 5.94:1 | AA | Lc 79.8 | Fine for body text |
| #616371 text on black | 3.53:1 | AA large text | Lc -22.1 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BFC0C8
oklch(80.9% 0.011 280.4)
-
Step 400
400
#9EA0AC
oklch(70.8% 0.018 278.4)
-
Step 500
500
#868897
oklch(63% 0.022 279.7)
-
Step 600
600
#707282
oklch(55.6% 0.025 279.9)
-
Step 700
700 (this color)
#616371
oklch(50.3% 0.022 279.1)
-
Step 800
800
#4D4E59
oklch(42.7% 0.018 281.5)
-
Step 900
900
#404149
oklch(37.7% 0.014 280.1)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#616371 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) | #606472 | 0.003 |
| Deuteranopia (no green cones) | #5F6371 | 0.003 |
| Tritanopia (no blue cones) | #5E6567 | 0.020 |
| Achromatopsia (no color) | #646464 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616371
#616371
oklch(50.3% 0.022 279.1)
- #676556
#676556
oklch(50.4% 0.023 100.9)
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 #616371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.023
- Dim Gray #696969 ΔE 0.029
- Dusty Grape #545775 ΔE 0.045
- Battleship Gray #6C757D ΔE 0.056
- Metallic Blue #4F738E ΔE 0.057
- YInMn Blue #415A77 ΔE 0.057
- Denim #3B638C ΔE 0.063
- Dusk #4E5481 ΔE 0.067
Use #616371 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.