#5369BF
Closest named color: French Blue (#436BAD). oklch(54.6% 0.136 270.6), rgb(83, 105, 191).
Aa
White text reads best on this color (5.07:1).
About this color
#5369BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.136 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.036 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #5369BF |
| RGB | rgb(83, 105, 191) |
| HSL | hsl(228, 46%, 54%) |
| OKLCH | oklch(54.6% 0.136 270.6) |
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 #5369BF | 5.07:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #5369BF | 4.14:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #5369BF text on white | 5.07:1 | AA | Lc 74.8 | Content text, not long reading |
| #5369BF text on black | 4.14:1 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B1BFE9
oklch(80.8% 0.061 270.5)
-
Step 400
400
#899DDE
oklch(70.6% 0.098 270.6)
-
Step 500
500
#6D84D5
oklch(63.1% 0.125 270.5)
-
Step 600
600 (this color)
#5369BF
oklch(54.6% 0.136 270.6)
-
Step 700
700
#465AA8
oklch(49.2% 0.127 270.4)
-
Step 800
800
#3A4A88
oklch(42.8% 0.104 270.6)
-
Step 900
900
#313E6D
oklch(37.7% 0.082 270.4)
-
Step 950
950
#1D2540
oklch(27.1% 0.052 270.2)
#5369BF 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) | #4273C2 | 0.030 |
| Deuteranopia (no green cones) | #346ABD | 0.033 |
| Tritanopia (no blue cones) | #0F7C8B | 0.121 |
| Achromatopsia (no color) | #6E6E6E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5369BF
#5369BF
oklch(54.6% 0.136 270.6)
- #896D00
#896D00
oklch(54.7% 0.112 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 #5369BF, closest first.
No curated palette has a color within ΔE 0.04 of #5369BF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.036
- Windows Blue #3778BF ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.046
- Iris #6258C4 ΔE 0.047
- Mid Blue #276AB3 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.055
- Royal Blue #4169E1 ΔE 0.055
Use #5369BF 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.