#536598
Closest named color: Dusky Blue (#475F94). oklch(51.4% 0.084 268.5), rgb(83, 101, 152).
Aa
White text reads best on this color (5.70:1).
About this color
#536598 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.084 and its hue 269°. 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 5.70:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.68:1 |
| White text | 5.70:1 |
Values
| HEX | #536598 |
| RGB | rgb(83, 101, 152) |
| HSL | hsl(224, 29%, 46%) |
| OKLCH | oklch(51.4% 0.084 268.5) |
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 #536598 | 5.70:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #536598 | 3.68:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #536598 text on white | 5.70:1 | AA | Lc 78.5 | Fine for body text |
| #536598 text on black | 3.68:1 | AA large text | Lc -23.3 | 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
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400
#8FA0CA
oklch(70.8% 0.065 267.6)
-
Step 500
500
#7488BC
oklch(63.2% 0.082 267.8)
-
Step 600
600
#5D71A9
oklch(55.7% 0.091 268.4)
-
Step 700
700 (this color)
#536598
oklch(51.4% 0.084 268.5)
-
Step 800
800
#3F4D75
oklch(42.7% 0.069 268.7)
-
Step 900
900
#35405F
oklch(37.6% 0.055 268.7)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#536598 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) | #536A9A | 0.014 |
| Deuteranopia (no green cones) | #4C6497 | 0.010 |
| Tritanopia (no blue cones) | #3A7077 | 0.077 |
| Achromatopsia (no color) | #666666 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536598
#536598
oklch(51.4% 0.084 268.5)
- #7B6427
#7B6427
oklch(51.3% 0.084 88.3)
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 #536598, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- French Blue #436BAD ΔE 0.037
- Denim #3B638C ΔE 0.037
- Muted Blue #3B719F ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.045
- Dull Blue #49759C ΔE 0.045
- Metallic Blue #4F738E ΔE 0.048
Use #536598 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.