#596C97
Closest named color: Dull Blue (#49759C). oklch(53.4% 0.072 265.7), rgb(89, 108, 151).
Aa
White text reads best on this color (5.22:1).
About this color
#596C97 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.072 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.029 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #596C97 |
| RGB | rgb(89, 108, 151) |
| HSL | hsl(222, 26%, 47%) |
| OKLCH | oklch(53.4% 0.072 265.7) |
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 #596C97 | 5.22:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #596C97 | 4.01:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #596C97 text on white | 5.22:1 | AA | Lc 75.9 | Fine for body text |
| #596C97 text on black | 4.01:1 | AA large text | Lc -25.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#91A1C2
oklch(70.8% 0.052 264.7)
-
Step 500
500
#7689B2
oklch(63.1% 0.066 265.2)
-
Step 600
600 (this color)
#596C97
oklch(53.4% 0.072 265.7)
-
Step 700
700
#4F6087
oklch(49.2% 0.066 265.9)
-
Step 800
800
#404E6E
oklch(42.6% 0.056 265.9)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#596C97 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) | #5D6F99 | 0.011 |
| Deuteranopia (no green cones) | #576A96 | 0.007 |
| Tritanopia (no blue cones) | #44757B | 0.065 |
| Achromatopsia (no color) | #6C6C6C | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596C97
#596C97
oklch(53.4% 0.072 265.7)
- #806A3A
#806A3A
oklch(53.5% 0.072 85.3)
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 #596C97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.029
- Metallic Blue #4F738E ΔE 0.031
- Muted Blue #3B719F ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.040
- Stormy Blue #507B9C ΔE 0.042
- French Blue #436BAD ΔE 0.043
- Cerulean #457B9D ΔE 0.045
- Dusky Blue #475F94 ΔE 0.047
Use #596C97 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.