#596BA8
Closest named color: French Blue (#436BAD). oklch(54% 0.098 270.4), rgb(89, 107, 168).
Aa
White text reads best on this color (5.13:1).
About this color
#596BA8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.098 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.027 away. White text reads best on it, at 5.13:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.09:1 |
| White text | 5.13:1 |
Values
| HEX | #596BA8 |
| RGB | rgb(89, 107, 168) |
| HSL | hsl(226, 31%, 50%) |
| OKLCH | oklch(54% 0.098 270.4) |
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 #596BA8 | 5.13:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #596BA8 | 4.09:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #596BA8 text on white | 5.13:1 | AA | Lc 75.3 | Fine for body text |
| #596BA8 text on black | 4.09:1 | AA large text | Lc -26.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B5C0DE
oklch(80.9% 0.044 269.5)
-
Step 400
400
#909FCE
oklch(70.8% 0.071 270.8)
-
Step 500
500
#7487C1
oklch(63.2% 0.09 269.8)
-
Step 600
600 (this color)
#596BA8
oklch(54% 0.098 270.4)
-
Step 700
700
#4D5D95
oklch(49.1% 0.092 270.6)
-
Step 800
800
#3F4C79
oklch(42.7% 0.077 270.7)
-
Step 900
900
#364061
oklch(37.8% 0.058 270.6)
-
Step 950
950
#1F2539
oklch(26.9% 0.038 270.9)
#596BA8 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) | #5571AA | 0.017 |
| Deuteranopia (no green cones) | #4D6AA7 | 0.016 |
| Tritanopia (no blue cones) | #3B7881 | 0.089 |
| Achromatopsia (no color) | #6E6E6E | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596BA8
#596BA8
oklch(54% 0.098 270.4)
- #856C1E
#856C1E
oklch(54.1% 0.098 90.3)
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 #596BA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.027
- Flat Blue #3C73A8 ΔE 0.037
- Muted Blue #3B719F ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Dusky Blue #475F94 ΔE 0.051
- Windows Blue #3778BF ΔE 0.052
- Mid Blue #276AB3 ΔE 0.053
- Metallic Blue #4F738E ΔE 0.054
Use #596BA8 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.