#616778
Closest named color: Slate (#516572). oklch(51.5% 0.028 270), rgb(97, 103, 120).
Aa
White text reads best on this color (5.64:1).
About this color
#616778 is a medium-dark close to neutral grey. In OKLCH its lightness is 51%, its chroma 0.028. 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 5.64:1.
| Hue family | Neutrals |
| Lightness | medium-dark (51%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.71:1 |
| White text | 5.64:1 |
Values
| HEX | #616778 |
| RGB | rgb(97, 103, 120) |
| HSL | hsl(224, 11%, 43%) |
| OKLCH | oklch(51.5% 0.028 270) |
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 #616778 | 5.64:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #616778 | 3.71:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #616778 text on white | 5.64:1 | AA | Lc 78.3 | Fine for body text |
| #616778 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
#BDC0CA
oklch(80.8% 0.014 272.7)
-
Step 400
400
#9BA0AF
oklch(70.7% 0.023 271.1)
-
Step 500
500
#83899B
oklch(63.1% 0.028 270.9)
-
Step 600
600
#6C7385
oklch(55.6% 0.029 268.6)
-
Step 700
700 (this color)
#616778
oklch(51.5% 0.028 270)
-
Step 800
800
#4A4F5C
oklch(42.8% 0.022 268.8)
-
Step 900
900
#3E414B
oklch(37.6% 0.018 272.3)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#616778 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) | #626879 | 0.004 |
| Deuteranopia (no green cones) | #606678 | 0.004 |
| Tritanopia (no blue cones) | #5C6A6C | 0.025 |
| Achromatopsia (no color) | #676767 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616778
#616778
oklch(51.5% 0.028 270)
- #6E6755
#6E6755
oklch(51.5% 0.029 89.3)
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 #616778, 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 0.029
- Metallic Blue #4F738E ΔE 0.044
- Battleship Gray #6C757D ΔE 0.045
- Dusty Grape #545775 ΔE 0.053
- Denim #3B638C ΔE 0.061
- Dull Blue #49759C ΔE 0.063
- YInMn Blue #415A77 ΔE 0.063
Use #616778 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.