#596A9F
Closest named color: French Blue (#436BAD). oklch(53.3% 0.086 269.8), rgb(89, 106, 159).
Aa
White text reads best on this color (5.26:1).
About this color
#596A9F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.086 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.033 away. White text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #596A9F |
| RGB | rgb(89, 106, 159) |
| HSL | hsl(225, 28%, 49%) |
| OKLCH | oklch(53.3% 0.086 269.8) |
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 #596A9F | 5.26:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #596A9F | 3.98:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #596A9F text on white | 5.26:1 | AA | Lc 76.1 | Fine for body text |
| #596A9F text on black | 3.98:1 | AA large text | Lc -25.6 | 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
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B7C0DA
oklch(80.9% 0.038 270.4)
-
Step 400
400
#919FC8
oklch(70.6% 0.062 270.1)
-
Step 500
500
#7687BA
oklch(63% 0.08 269.8)
-
Step 600
600 (this color)
#596A9F
oklch(53.3% 0.086 269.8)
-
Step 700
700
#4F5E8E
oklch(49.1% 0.079 270.1)
-
Step 800
800
#414D74
oklch(42.8% 0.067 270.3)
-
Step 900
900
#37405D
oklch(37.6% 0.051 270.6)
-
Step 950
950
#202637
oklch(27.1% 0.033 269.2)
#596A9F 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) | #576FA1 | 0.014 |
| Deuteranopia (no green cones) | #51699E | 0.011 |
| Tritanopia (no blue cones) | #41757D | 0.077 |
| Achromatopsia (no color) | #6C6C6C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596A9F
#596A9F
oklch(53.3% 0.086 269.8)
- #806A2B
#806A2B
oklch(53.3% 0.086 89.9)
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 #596A9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.033
- Dull Blue #49759C ΔE 0.037
- Muted Blue #3B719F ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.043
- Metallic Blue #4F738E ΔE 0.044
- Stormy Blue #507B9C ΔE 0.051
- Cerulean #457B9D ΔE 0.053
Use #596A9F 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.