#596CA5
Closest named color: French Blue (#436BAD). oklch(54.1% 0.092 269.1), rgb(89, 108, 165).
Aa
White text reads best on this color (5.10:1).
About this color
#596CA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.092 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.029 away. White text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #596CA5 |
| RGB | rgb(89, 108, 165) |
| HSL | hsl(225, 30%, 50%) |
| OKLCH | oklch(54.1% 0.092 269.1) |
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 #596CA5 | 5.10:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #596CA5 | 4.11:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #596CA5 text on white | 5.10:1 | AA | Lc 75.1 | Fine for body text |
| #596CA5 text on black | 4.11:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400
#909FCB
oklch(70.7% 0.067 270)
-
Step 500
500
#7487BE
oklch(63% 0.086 269.2)
-
Step 600
600 (this color)
#596CA5
oklch(54.1% 0.092 269.1)
-
Step 700
700
#4D5E92
oklch(49.1% 0.086 269.3)
-
Step 800
800
#3F4D76
oklch(42.7% 0.071 268.9)
-
Step 900
900
#35405F
oklch(37.6% 0.055 268.7)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#596CA5 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) | #5771A7 | 0.014 |
| Deuteranopia (no green cones) | #506BA4 | 0.012 |
| Tritanopia (no blue cones) | #3D7881 | 0.083 |
| Achromatopsia (no color) | #6E6E6E | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596CA5
#596CA5
oklch(54.1% 0.092 269.1)
- #846C26
#846C26
oklch(54.1% 0.092 89.7)
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 #596CA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.035
- Dull Blue #49759C ΔE 0.037
- Muted Blue #3B719F ΔE 0.038
- Metallic Blue #4F738E ΔE 0.049
- Stormy Blue #507B9C ΔE 0.050
- Dusky Blue #475F94 ΔE 0.051
- Cerulean #457B9D ΔE 0.051
Use #596CA5 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.