#596E79
Closest named color: Slate (#516572). oklch(52.5% 0.03 230.9), rgb(89, 110, 121).
Aa
White text reads best on this color (5.34:1).
About this color
#596E79 is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.030 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.030 away. White text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.93:1 |
| White text | 5.34:1 |
Values
| HEX | #596E79 |
| RGB | rgb(89, 110, 121) |
| HSL | hsl(201, 15%, 41%) |
| OKLCH | oklch(52.5% 0.03 230.9) |
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 #596E79 | 5.34:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #596E79 | 3.93:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #596E79 text on white | 5.34:1 | AA | Lc 76.6 | Fine for body text |
| #596E79 text on black | 3.93:1 | AA large text | Lc -25.2 | 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 600.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B8C2C8
oklch(80.8% 0.014 233.8)
-
Step 400
400
#93A3AC
oklch(70.6% 0.022 232.3)
-
Step 500
500
#798D98
oklch(63.1% 0.028 231.9)
-
Step 600
600 (this color)
#596E79
oklch(52.5% 0.03 230.9)
-
Step 700
700
#51646E
oklch(49.1% 0.028 231)
-
Step 800
800
#42525A
oklch(42.8% 0.024 229.6)
-
Step 900
900
#38444A
oklch(37.8% 0.019 229.5)
-
Step 950
950
#21282B
oklch(27.1% 0.011 225.5)
#596E79 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) | #696D7A | 0.023 |
| Deuteranopia (no green cones) | #646979 | 0.020 |
| Tritanopia (no blue cones) | #507171 | 0.022 |
| Achromatopsia (no color) | #6B6B6B | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596E79
#596E79
oklch(52.5% 0.03 230.9)
- #79665B
#79665B
oklch(52.5% 0.03 51.9)
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 #596E79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.030
- Dim Gray #696969 ΔE 0.031
- Metallic Blue #4F738E ΔE 0.033
- Battleship Gray #6C757D ΔE 0.036
- Battleship Grey #6B7C85 ΔE 0.051
- Grey Blue #647D8E ΔE 0.052
- Dull Blue #49759C ΔE 0.054
- Stormy Blue #507B9C ΔE 0.057
Use #596E79 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.