#596D96
Closest named color: Dull Blue (#49759C). oklch(53.6% 0.069 264.1), rgb(89, 109, 150).
Aa
White text reads best on this color (5.18:1).
About this color
#596D96 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.069 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.027 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #596D96 |
| RGB | rgb(89, 109, 150) |
| HSL | hsl(220, 26%, 47%) |
| OKLCH | oklch(53.6% 0.069 264.1) |
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 #596D96 | 5.18:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #596D96 | 4.05:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #596D96 text on white | 5.18:1 | AA | Lc 75.6 | Fine for body text |
| #596D96 text on black | 4.05:1 | AA large text | Lc -26.1 | 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
#B7C1D5
oklch(80.9% 0.03 264.4)
-
Step 400
400
#91A1C0
oklch(70.7% 0.049 263.6)
-
Step 500
500
#7689B1
oklch(63% 0.065 264.8)
-
Step 600
600 (this color)
#596D96
oklch(53.6% 0.069 264.1)
-
Step 700
700
#4E6086
oklch(49% 0.065 264.6)
-
Step 800
800
#404F6D
oklch(42.8% 0.054 263.8)
-
Step 900
900
#364158
oklch(37.6% 0.042 264.6)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#596D96 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) | #5F7098 | 0.013 |
| Deuteranopia (no green cones) | #596A95 | 0.008 |
| Tritanopia (no blue cones) | #45767B | 0.063 |
| Achromatopsia (no color) | #6D6D6D | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596D96
#596D96
oklch(53.6% 0.069 264.1)
- #806A3D
#806A3D
oklch(53.5% 0.068 84.1)
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 #596D96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.027
- Metallic Blue #4F738E ΔE 0.027
- Muted Blue #3B719F ΔE 0.034
- Stormy Blue #507B9C ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.040
- Cerulean #457B9D ΔE 0.042
- French Blue #436BAD ΔE 0.045
- Dusky Blue #475F94 ΔE 0.049
Use #596D96 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.