#5B68A7
Closest named color: French Blue (#436BAD). oklch(53.5% 0.1 273.7), rgb(91, 104, 167).
Aa
White text reads best on this color (5.27:1).
About this color
#5B68A7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.100 and its hue 274°. 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 5.27:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #5B68A7 |
| RGB | rgb(91, 104, 167) |
| HSL | hsl(230, 30%, 51%) |
| OKLCH | oklch(53.5% 0.1 273.7) |
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 #5B68A7 | 5.27:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #5B68A7 | 3.98:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #5B68A7 text on white | 5.27:1 | AA | Lc 76.1 | Fine for body text |
| #5B68A7 text on black | 3.98:1 | AA large text | Lc -25.6 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B7BFDE
oklch(80.8% 0.045 273.9)
-
Step 400
400
#929ECE
oklch(70.7% 0.072 273.6)
-
Step 500
500
#7885C1
oklch(63% 0.092 274.1)
-
Step 600
600 (this color)
#5B68A7
oklch(53.5% 0.1 273.7)
-
Step 700
700
#505C95
oklch(49.1% 0.093 273.5)
-
Step 800
800
#424B79
oklch(42.7% 0.077 274.3)
-
Step 900
900
#373F62
oklch(37.7% 0.061 273.3)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#5B68A7 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) | #516FAA | 0.021 |
| Deuteranopia (no green cones) | #4B69A6 | 0.020 |
| Tritanopia (no blue cones) | #40757F | 0.090 |
| Achromatopsia (no color) | #6C6C6C | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B68A7
#5B68A7
oklch(53.5% 0.1 273.7)
- #816B19
#816B19
oklch(53.4% 0.1 93)
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 #5B68A7, closest first.
No curated palette has a color within ΔE 0.04 of #5B68A7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.029
- Flat Blue #3C73A8 ΔE 0.043
- Muted Blue #3B719F ΔE 0.046
- Dusky Blue #475F94 ΔE 0.047
- Dull Blue #49759C ΔE 0.048
- Mid Blue #276AB3 ΔE 0.055
- Windows Blue #3778BF ΔE 0.059
- Metallic Blue #4F738E ΔE 0.059
Use #5B68A7 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.