#536FA8
Closest named color: French Blue (#436BAD). oklch(54.5% 0.095 263.6), rgb(83, 111, 168).
Aa
White text reads best on this color (4.99:1).
About this color
#536FA8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.095 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.025 away. White text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #536FA8 |
| RGB | rgb(83, 111, 168) |
| HSL | hsl(220, 34%, 49%) |
| OKLCH | oklch(54.5% 0.095 263.6) |
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 #536FA8 | 4.99:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #536FA8 | 4.20:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #536FA8 text on white | 4.99:1 | AA | Lc 74.4 | Content text, not long reading |
| #536FA8 text on black | 4.20:1 | AA large text | Lc -27.3 | 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 600.
-
Step 50
50
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1D9E9
oklch(88.4% 0.024 264.4)
-
Step 300
300
#B2C1DD
oklch(80.9% 0.043 263)
-
Step 400
400
#8BA1CC
oklch(70.8% 0.068 263.6)
-
Step 500
500
#6E89BF
oklch(63.1% 0.088 263.6)
-
Step 600
600 (this color)
#536FA8
oklch(54.5% 0.095 263.6)
-
Step 700
700
#466093
oklch(49.2% 0.088 263)
-
Step 800
800
#3A4E77
oklch(42.7% 0.073 263.8)
-
Step 900
900
#324160
oklch(37.7% 0.057 264.1)
-
Step 950
950
#1D2638
oklch(26.9% 0.036 263.7)
#536FA8 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) | #5974AA | 0.017 |
| Deuteranopia (no green cones) | #506CA7 | 0.010 |
| Tritanopia (no blue cones) | #2D7B84 | 0.085 |
| Achromatopsia (no color) | #6F6F6F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536FA8
#536FA8
oklch(54.5% 0.095 263.6)
- #8B6B24
#8B6B24
oklch(54.6% 0.096 83.7)
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 #536FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.025
- Flat Blue #3C73A8 ΔE 0.025
- Dull Blue #49759C ΔE 0.031
- Muted Blue #3B719F ΔE 0.031
- Windows Blue #3778BF ΔE 0.044
- Stormy Blue #507B9C ΔE 0.044
- Cerulean #457B9D ΔE 0.045
- Metallic Blue #4F738E ΔE 0.047
Use #536FA8 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.