#536AA8
Closest named color: French Blue (#436BAD). oklch(53.4% 0.102 267.5), rgb(83, 106, 168).
Aa
White text reads best on this color (5.25:1).
About this color
#536AA8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.102 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.019 away. White text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #536AA8 |
| RGB | rgb(83, 106, 168) |
| HSL | hsl(224, 34%, 49%) |
| OKLCH | oklch(53.4% 0.102 267.5) |
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 #536AA8 | 5.25:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #536AA8 | 3.99:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #536AA8 text on white | 5.25:1 | AA | Lc 76.0 | Fine for body text |
| #536AA8 text on black | 3.99:1 | AA large text | Lc -25.7 | 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 600.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EB
oklch(88.5% 0.026 268.8)
-
Step 300
300
#B4C0DF
oklch(80.9% 0.046 268.6)
-
Step 400
400
#8CA0CF
oklch(70.8% 0.073 266.6)
-
Step 500
500
#7087C3
oklch(63% 0.095 267.6)
-
Step 600
600 (this color)
#536AA8
oklch(53.4% 0.102 267.5)
-
Step 700
700
#495E96
oklch(49.1% 0.094 267.3)
-
Step 800
800
#3C4D7A
oklch(42.7% 0.078 267.4)
-
Step 900
900
#334062
oklch(37.6% 0.061 267.5)
-
Step 950
950
#1E2639
oklch(27% 0.037 266.4)
#536AA8 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) | #5270AB | 0.016 |
| Deuteranopia (no green cones) | #4968A7 | 0.014 |
| Tritanopia (no blue cones) | #2E7781 | 0.091 |
| Achromatopsia (no color) | #6C6C6C | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536AA8
#536AA8
oklch(53.4% 0.102 267.5)
- #866916
#866916
oklch(53.5% 0.102 87.8)
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 #536AA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.019
- Flat Blue #3C73A8 ΔE 0.033
- Muted Blue #3B719F ΔE 0.037
- Dull Blue #49759C ΔE 0.042
- Mid Blue #276AB3 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.045
- Windows Blue #3778BF ΔE 0.050
- Metallic Blue #4F738E ΔE 0.055
Use #536AA8 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.