#616779
Closest named color: Slate (#516572). oklch(51.5% 0.029 270.8), rgb(97, 103, 121).
Aa
White text reads best on this color (5.63:1).
About this color
#616779 is a medium-dark close to neutral grey. In OKLCH its lightness is 52%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.027 away. White text reads best on it, at 5.63:1.
| Hue family | Neutrals |
| Lightness | medium-dark (52%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #616779 |
| RGB | rgb(97, 103, 121) |
| HSL | hsl(225, 11%, 43%) |
| OKLCH | oklch(51.5% 0.029 270.8) |
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 #616779 | 5.63:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #616779 | 3.72:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #616779 text on white | 5.63:1 | AA | Lc 78.2 | Fine for body text |
| #616779 text on black | 3.72:1 | AA large text | Lc -23.6 | 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
#9BA0AF
oklch(70.7% 0.023 271.1)
-
Step 500
500
#83899C
oklch(63.2% 0.029 271.6)
-
Step 600
600
#6C7386
oklch(55.6% 0.031 269.4)
-
Step 700
700 (this color)
#616779
oklch(51.5% 0.029 270.8)
-
Step 800
800
#4A4F5D
oklch(42.8% 0.024 269.8)
-
Step 900
900
#3E414C
oklch(37.7% 0.019 273.4)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#616779 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) | #62687A | 0.004 |
| Deuteranopia (no green cones) | #606679 | 0.004 |
| Tritanopia (no blue cones) | #5B6A6D | 0.026 |
| Achromatopsia (no color) | #676767 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616779
#616779
oklch(51.5% 0.029 270.8)
- #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 #616779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.027
- Dim Gray #696969 ΔE 0.030
- Metallic Blue #4F738E ΔE 0.044
- Battleship Gray #6C757D ΔE 0.045
- Dusty Grape #545775 ΔE 0.053
- Denim #3B638C ΔE 0.060
- Dull Blue #49759C ΔE 0.062
- YInMn Blue #415A77 ΔE 0.063
Use #616779 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.