#536398
Closest named color: Dusky Blue (#475F94). oklch(51% 0.087 270.3), rgb(83, 99, 152).
Aa
White text reads best on this color (5.82:1).
About this color
#536398 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.087 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.021 away. White text reads best on it, at 5.82:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.60:1 |
| White text | 5.82:1 |
Values
| HEX | #536398 |
| RGB | rgb(83, 99, 152) |
| HSL | hsl(226, 29%, 46%) |
| OKLCH | oklch(51% 0.087 270.3) |
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 #536398 | 5.82:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #536398 | 3.60:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #536398 text on white | 5.82:1 | AA | Lc 79.1 | Fine for body text |
| #536398 text on black | 3.60:1 | AA large text | Lc -22.7 | 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
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DD
oklch(80.9% 0.042 270.4)
-
Step 400
400
#909FCB
oklch(70.7% 0.067 270)
-
Step 500
500
#7587BE
oklch(63.1% 0.086 269.9)
-
Step 600
600
#5E70AA
oklch(55.6% 0.093 270.1)
-
Step 700
700 (this color)
#536398
oklch(51% 0.087 270.3)
-
Step 800
800
#404D77
oklch(42.8% 0.072 270.1)
-
Step 900
900
#364060
oklch(37.7% 0.057 270.3)
-
Step 950
950
#202638
oklch(27.1% 0.035 269.8)
#536398 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) | #50689A | 0.014 |
| Deuteranopia (no green cones) | #4A6297 | 0.013 |
| Tritanopia (no blue cones) | #3A6E76 | 0.078 |
| Achromatopsia (no color) | #656565 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536398
#536398
oklch(51% 0.087 270.3)
- #796423
#796423
oklch(51.1% 0.087 90.9)
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 #536398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.021
- Denim #3B638C ΔE 0.037
- French Blue #436BAD ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.041
- Muted Blue #3B719F ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.049
- Dull Blue #49759C ΔE 0.051
- Dusk #4E5481 ΔE 0.052
Use #536398 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.