#596997
Closest named color: Dull Blue (#49759C). oklch(52.7% 0.075 269), rgb(89, 105, 151).
Aa
White text reads best on this color (5.39:1).
About this color
#596997 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.075 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.036 away. White text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #596997 |
| RGB | rgb(89, 105, 151) |
| HSL | hsl(225, 26%, 47%) |
| OKLCH | oklch(52.7% 0.075 269) |
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 #596997 | 5.39:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #596997 | 3.89:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #596997 text on white | 5.39:1 | AA | Lc 76.8 | Fine for body text |
| #596997 text on black | 3.89:1 | AA large text | Lc -24.9 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E6
oklch(88.5% 0.019 269.1)
-
Step 300
300
#B7C0D7
oklch(80.8% 0.034 268.6)
-
Step 400
400
#93A0C3
oklch(70.8% 0.053 269)
-
Step 500
500
#7888B4
oklch(63.1% 0.069 268.9)
-
Step 600
600 (this color)
#596997
oklch(52.7% 0.075 269)
-
Step 700
700
#505F89
oklch(49.1% 0.07 268.7)
-
Step 800
800
#424E6F
oklch(42.8% 0.057 268.6)
-
Step 900
900
#38415A
oklch(37.8% 0.045 268.9)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#596997 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) | #596D99 | 0.011 |
| Deuteranopia (no green cones) | #546896 | 0.008 |
| Tritanopia (no blue cones) | #457279 | 0.067 |
| Achromatopsia (no color) | #6A6A6A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596997
#596997
oklch(52.7% 0.075 269)
- #7C6934
#7C6934
oklch(52.7% 0.076 90)
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 #596997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.036
- Muted Blue #3B719F ΔE 0.038
- Metallic Blue #4F738E ΔE 0.038
- Dusky Blue #475F94 ΔE 0.040
- French Blue #436BAD ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.043
- Denim #3B638C ΔE 0.046
- Stormy Blue #507B9C ΔE 0.051
Use #596997 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.