#596F9A
Closest named color: Dull Blue (#49759C). oklch(54.2% 0.073 263.3), rgb(89, 111, 154).
Aa
White text reads best on this color (5.04:1).
About this color
#596F9A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.073 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.023 away. White text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #596F9A |
| RGB | rgb(89, 111, 154) |
| HSL | hsl(220, 27%, 48%) |
| OKLCH | oklch(54.2% 0.073 263.3) |
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 #596F9A | 5.04:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #596F9A | 4.16:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #596F9A text on white | 5.04:1 | AA | Lc 74.8 | Content text, not long reading |
| #596F9A text on black | 4.16:1 | AA large text | Lc -26.9 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B6C1D6
oklch(80.9% 0.032 263.5)
-
Step 400
400
#90A1C2
oklch(70.7% 0.052 263.6)
-
Step 500
500
#748AB3
oklch(63.2% 0.067 262.6)
-
Step 600
600 (this color)
#596F9A
oklch(54.2% 0.073 263.3)
-
Step 700
700
#4D6087
oklch(49% 0.067 264.1)
-
Step 800
800
#3F4F6E
oklch(42.8% 0.056 263.2)
-
Step 900
900
#354259
oklch(37.8% 0.043 261.6)
-
Step 950
950
#1F2634
oklch(26.8% 0.028 263.9)
#596F9A 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) | #60729C | 0.014 |
| Deuteranopia (no green cones) | #596C99 | 0.008 |
| Tritanopia (no blue cones) | #43787E | 0.065 |
| Achromatopsia (no color) | #6F6F6F | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596F9A
#596F9A
oklch(54.2% 0.073 263.3)
- #846B3B
#846B3B
oklch(54.1% 0.073 82.5)
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 #596F9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.023
- Metallic Blue #4F738E ΔE 0.028
- Muted Blue #3B719F ΔE 0.033
- Stormy Blue #507B9C ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.036
- Cerulean #457B9D ΔE 0.038
- French Blue #436BAD ΔE 0.043
- Grey Blue #647D8E ΔE 0.053
Use #596F9A 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.