#596373
Closest named color: Slate (#516572). oklch(49.7% 0.028 259.8), rgb(89, 99, 115).
Aa
White text reads best on this color (6.07:1).
About this color
#596373 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.013 away. White text reads best on it, at 6.07:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #596373 |
| RGB | rgb(89, 99, 115) |
| HSL | hsl(217, 13%, 40%) |
| OKLCH | oklch(49.7% 0.028 259.8) |
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 #596373 | 6.07:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #596373 | 3.45:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #596373 text on white | 6.07:1 | AA | Lc 80.4 | Fine for body text |
| #596373 text on black | 3.45:1 | AA large text | Lc -21.5 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DE
oklch(88.4% 0.008 260.7)
-
Step 300
300
#BBC1CA
oklch(80.9% 0.014 258.4)
-
Step 400
400
#99A1AF
oklch(70.7% 0.022 261.7)
-
Step 500
500
#808A9B
oklch(63.1% 0.028 261.1)
-
Step 600
600
#697486
oklch(55.6% 0.031 260.3)
-
Step 700
700 (this color)
#596373
oklch(49.7% 0.028 259.8)
-
Step 800
800
#474F5C
oklch(42.5% 0.024 260.1)
-
Step 900
900
#3C424C
oklch(37.7% 0.019 260.7)
-
Step 950
950
#23272C
oklch(27.1% 0.011 254)
#596373 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) | #5E6474 | 0.008 |
| Deuteranopia (no green cones) | #5B6173 | 0.006 |
| Tritanopia (no blue cones) | #526668 | 0.025 |
| Achromatopsia (no color) | #626262 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596373
#596373
oklch(49.7% 0.028 259.8)
- #6B6150
#6B6150
oklch(49.7% 0.029 81)
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 #596373, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.013
- Dim Gray #696969 ΔE 0.037
- Dusty Grape #545775 ΔE 0.039
- YInMn Blue #415A77 ΔE 0.047
- Denim #3B638C ΔE 0.053
- Metallic Blue #4F738E ΔE 0.054
- Dusk #4E5481 ΔE 0.060
- Battleship Gray #6C757D ΔE 0.062
Use #596373 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.