#536ABA
Closest named color: French Blue (#436BAD). oklch(54.5% 0.128 269.7), rgb(83, 106, 186).
Aa
White text reads best on this color (5.07:1).
About this color
#536ABA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.128 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.029 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #536ABA |
| RGB | rgb(83, 106, 186) |
| HSL | hsl(227, 43%, 53%) |
| OKLCH | oklch(54.5% 0.128 269.7) |
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 #536ABA | 5.07:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #536ABA | 4.13:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #536ABA text on white | 5.07:1 | AA | Lc 74.9 | Content text, not long reading |
| #536ABA text on black | 4.13:1 | AA large text | Lc -26.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2C0E7
oklch(81% 0.057 269.6)
-
Step 400
400
#8A9EDB
oklch(70.7% 0.093 270)
-
Step 500
500
#6D85D1
oklch(63.1% 0.118 269.5)
-
Step 600
600 (this color)
#536ABA
oklch(54.5% 0.128 269.7)
-
Step 700
700
#465BA4
oklch(49.1% 0.119 269.5)
-
Step 800
800
#3A4B85
oklch(42.8% 0.098 269.6)
-
Step 900
900
#323F6A
oklch(37.8% 0.076 269.8)
-
Step 950
950
#1D253E
oklch(27% 0.048 269.5)
#536ABA 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) | #4873BD | 0.025 |
| Deuteranopia (no green cones) | #3B6AB8 | 0.027 |
| Tritanopia (no blue cones) | #197C89 | 0.115 |
| Achromatopsia (no color) | #6E6E6E | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536ABA
#536ABA
oklch(54.5% 0.128 269.7)
- #896C00
#896C00
oklch(54.4% 0.111 90.1)
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 #536ABA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.029
- Windows Blue #3778BF ΔE 0.043
- Mid Blue #276AB3 ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.048
- Iris #6258C4 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.054
- Muted Blue #3B719F ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.060
Use #536ABA 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.