#5B69BC
Closest named color: French Blue (#436BAD). oklch(54.9% 0.13 274.1), rgb(91, 105, 188).
Aa
White text reads best on this color (5.00:1).
About this color
#5B69BC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.130 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.039 away. White text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #5B69BC |
| RGB | rgb(91, 105, 188) |
| HSL | hsl(231, 42%, 55%) |
| OKLCH | oklch(54.9% 0.13 274.1) |
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 #5B69BC | 5.00:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #5B69BC | 4.19:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #5B69BC text on white | 5.00:1 | AA | Lc 74.5 | Content text, not long reading |
| #5B69BC text on black | 4.19:1 | AA large text | Lc -27.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B5BFE7
oklch(81% 0.058 274)
-
Step 400
400
#8E9CDB
oklch(70.6% 0.094 274.1)
-
Step 500
500
#7483D1
oklch(63.2% 0.119 274.3)
-
Step 600
600 (this color)
#5B69BC
oklch(54.9% 0.13 274.1)
-
Step 700
700
#4D59A4
oklch(49.1% 0.12 274.3)
-
Step 800
800
#3F4985
oklch(42.7% 0.1 274.3)
-
Step 900
900
#353D6B
oklch(37.6% 0.079 274.5)
-
Step 950
950
#1F243E
oklch(26.9% 0.049 274.4)
#5B69BC 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) | #4673BF | 0.033 |
| Deuteranopia (no green cones) | #3C6BBA | 0.036 |
| Tritanopia (no blue cones) | #317B89 | 0.115 |
| Achromatopsia (no color) | #6F6F6F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B69BC
#5B69BC
oklch(54.9% 0.13 274.1)
- #876F00
#876F00
oklch(54.9% 0.112 93.9)
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 #5B69BC, closest first.
No curated palette has a color within ΔE 0.04 of #5B69BC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.046
- Iris #6258C4 ΔE 0.046
- Windows Blue #3778BF ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.055
- Mid Blue #276AB3 ΔE 0.056
- Flat Blue #3C73A8 ΔE 0.057
Use #5B69BC 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.