#596A87
Closest named color: Metallic Blue (#4F738E). oklch(52.2% 0.05 261), rgb(89, 106, 135).
Aa
White text reads best on this color (5.47:1).
About this color
#596A87 is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.050 and its hue 261°. 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 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #596A87 |
| RGB | rgb(89, 106, 135) |
| HSL | hsl(218, 21%, 44%) |
| OKLCH | oklch(52.2% 0.05 261) |
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 #596A87 | 5.47:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #596A87 | 3.83:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #596A87 text on white | 5.47:1 | AA | Lc 77.3 | Fine for body text |
| #596A87 text on black | 3.83:1 | 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
#D4D9E2
oklch(88.4% 0.013 262.4)
-
Step 300
300
#B8C1D1
oklch(80.9% 0.025 262.1)
-
Step 400
400
#93A1BA
oklch(70.6% 0.04 262.1)
-
Step 500
500
#798AA8
oklch(63.1% 0.049 261.7)
-
Step 600
600
#617494
oklch(55.6% 0.055 260.7)
-
Step 700
700 (this color)
#596A87
oklch(52.2% 0.05 261)
-
Step 800
800
#424F66
oklch(42.6% 0.042 261.7)
-
Step 900
900
#384253
oklch(37.7% 0.032 261)
-
Step 950
950
#212731
oklch(27.1% 0.021 260.6)
#596A87 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) | #606C88 | 0.012 |
| Deuteranopia (no green cones) | #5B6786 | 0.009 |
| Tritanopia (no blue cones) | #4B7074 | 0.045 |
| Achromatopsia (no color) | #696969 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596A87
#596A87
oklch(52.2% 0.05 261)
- #786748
#786748
oklch(52.2% 0.05 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 #596A87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.027
- Slate #516572 ΔE 0.036
- Dull Blue #49759C ΔE 0.041
- Denim #3B638C ΔE 0.046
- Muted Blue #3B719F ΔE 0.047
- Battleship Gray #6C757D ΔE 0.050
- Dim Gray #696969 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.051
Use #596A87 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.