#596A89
Closest named color: Metallic Blue (#4F738E). oklch(52.3% 0.053 262.3), rgb(89, 106, 137).
Aa
White text reads best on this color (5.45:1).
About this color
#596A89 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.053 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.027 away. White text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #596A89 |
| RGB | rgb(89, 106, 137) |
| HSL | hsl(219, 21%, 44%) |
| OKLCH | oklch(52.3% 0.053 262.3) |
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 #596A89 | 5.45:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #596A89 | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #596A89 text on white | 5.45:1 | AA | Lc 77.2 | Fine for body text |
| #596A89 text on black | 3.84:1 | AA large text | Lc -24.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B8C1D2
oklch(80.9% 0.026 263.3)
-
Step 400
400
#93A1BB
oklch(70.7% 0.041 262.8)
-
Step 500
500
#788AAA
oklch(63.1% 0.053 261.9)
-
Step 600
600
#617496
oklch(55.7% 0.058 261.9)
-
Step 700
700 (this color)
#596A89
oklch(52.3% 0.053 262.3)
-
Step 800
800
#424F68
oklch(42.7% 0.045 263.2)
-
Step 900
900
#384254
oklch(37.8% 0.034 262.1)
-
Step 950
950
#212731
oklch(27.1% 0.021 260.6)
#596A89 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) | #5F6C8A | 0.011 |
| Deuteranopia (no green cones) | #5B6788 | 0.009 |
| Tritanopia (no blue cones) | #4B7074 | 0.047 |
| Achromatopsia (no color) | #696969 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596A89
#596A89
oklch(52.3% 0.053 262.3)
- #796746
#796746
oklch(52.3% 0.053 82.2)
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 #596A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.027
- Dull Blue #49759C ΔE 0.039
- Slate #516572 ΔE 0.039
- Muted Blue #3B719F ΔE 0.045
- Denim #3B638C ΔE 0.045
- Dusky Blue #475F94 ΔE 0.049
- Stormy Blue #507B9C ΔE 0.050
- Battleship Gray #6C757D ΔE 0.052
Use #596A89 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.