#536596
Closest named color: Dusky Blue (#475F94). oklch(51.3% 0.081 268.1), rgb(83, 101, 150).
Aa
White text reads best on this color (5.72:1).
About this color
#536596 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.081 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #536596 |
| RGB | rgb(83, 101, 150) |
| HSL | hsl(224, 29%, 46%) |
| OKLCH | oklch(51.3% 0.081 268.1) |
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 #536596 | 5.72:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #536596 | 3.66:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #536596 text on white | 5.72:1 | AA | Lc 78.6 | Fine for body text |
| #536596 text on black | 3.66:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E8
oklch(88.5% 0.022 268.4)
-
Step 300
300
#B6C0DB
oklch(80.9% 0.04 269.4)
-
Step 400
400
#90A0C9
oklch(70.8% 0.063 268.1)
-
Step 500
500
#7588BB
oklch(63.2% 0.08 268.3)
-
Step 600
600
#5D71A7
oklch(55.6% 0.088 268)
-
Step 700
700 (this color)
#536596
oklch(51.3% 0.081 268.1)
-
Step 800
800
#3F4D74
oklch(42.6% 0.068 268.4)
-
Step 900
900
#36415E
oklch(37.9% 0.052 267.9)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#536596 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) | #546998 | 0.012 |
| Deuteranopia (no green cones) | #4D6495 | 0.009 |
| Tritanopia (no blue cones) | #3B6F77 | 0.072 |
| Achromatopsia (no color) | #666666 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536596
#536596
oklch(51.3% 0.081 268.1)
- #7A642A
#7A642A
oklch(51.3% 0.081 88.4)
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 #536596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- Denim #3B638C ΔE 0.035
- French Blue #436BAD ΔE 0.039
- Muted Blue #3B719F ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.045
- Dull Blue #49759C ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.046
- Metallic Blue #4F738E ΔE 0.047
Use #536596 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.