#596899
Closest named color: Dusky Blue (#475F94). oklch(52.6% 0.08 270.5), rgb(89, 104, 153).
Aa
White text reads best on this color (5.43:1).
About this color
#596899 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.080 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.038 away. White text reads best on it, at 5.43:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #596899 |
| RGB | rgb(89, 104, 153) |
| HSL | hsl(226, 26%, 47%) |
| OKLCH | oklch(52.6% 0.08 270.5) |
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 #596899 | 5.43:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #596899 | 3.86:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #596899 text on white | 5.43:1 | AA | Lc 77.0 | Fine for body text |
| #596899 text on black | 3.86:1 | AA large text | Lc -24.7 | 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
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B8C0D9
oklch(81% 0.036 271.5)
-
Step 400
400
#939FC5
oklch(70.6% 0.057 271.2)
-
Step 500
500
#7887B7
oklch(63% 0.075 270.8)
-
Step 600
600 (this color)
#596899
oklch(52.6% 0.08 270.5)
-
Step 700
700
#515E8B
oklch(49.1% 0.074 271.2)
-
Step 800
800
#424D71
oklch(42.7% 0.062 270.6)
-
Step 900
900
#38405B
oklch(37.6% 0.048 271.3)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#596899 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) | #576D9B | 0.014 |
| Deuteranopia (no green cones) | #516798 | 0.012 |
| Tritanopia (no blue cones) | #44727A | 0.071 |
| Achromatopsia (no color) | #6A6A6A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596899
#596899
oklch(52.6% 0.08 270.5)
- #7C6930
#7C6930
oklch(52.7% 0.08 91)
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 #596899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.038
- French Blue #436BAD ΔE 0.039
- Muted Blue #3B719F ΔE 0.039
- Dull Blue #49759C ΔE 0.039
- Metallic Blue #4F738E ΔE 0.042
- Flat Blue #3C73A8 ΔE 0.043
- Denim #3B638C ΔE 0.046
- Stormy Blue #507B9C ΔE 0.054
Use #596899 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.