#5B679B
Closest named color: French Blue (#436BAD). oklch(52.6% 0.083 273.3), rgb(91, 103, 155).
Aa
White text reads best on this color (5.44:1).
About this color
#5B679B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.083 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.038 away. White text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #5B679B |
| RGB | rgb(91, 103, 155) |
| HSL | hsl(229, 26%, 48%) |
| OKLCH | oklch(52.6% 0.083 273.3) |
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 #5B679B | 5.44:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #5B679B | 3.85:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #5B679B text on white | 5.44:1 | AA | Lc 77.1 | Fine for body text |
| #5B679B text on black | 3.85:1 | AA large text | Lc -24.7 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B8C0DA
oklch(81% 0.038 272)
-
Step 400
400
#949FC7
oklch(70.8% 0.06 272.8)
-
Step 500
500
#7A86B8
oklch(63% 0.077 273.6)
-
Step 600
600 (this color)
#5B679B
oklch(52.6% 0.083 273.3)
-
Step 700
700
#525D8D
oklch(49% 0.078 273.3)
-
Step 800
800
#434C72
oklch(42.6% 0.064 273.2)
-
Step 900
900
#39405C
oklch(37.8% 0.049 273.1)
-
Step 950
950
#212536
oklch(26.9% 0.032 273.8)
#5B679B 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) | #556C9D | 0.015 |
| Deuteranopia (no green cones) | #50679A | 0.015 |
| Tritanopia (no blue cones) | #47717A | 0.073 |
| Achromatopsia (no color) | #6A6A6A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B679B
#5B679B
oklch(52.6% 0.083 273.3)
- #7B692C
#7B692C
oklch(52.5% 0.083 92.9)
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 #5B679B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.038
- Dusky Blue #475F94 ΔE 0.038
- Muted Blue #3B719F ΔE 0.042
- Dull Blue #49759C ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.045
- Metallic Blue #4F738E ΔE 0.047
- Denim #3B638C ΔE 0.050
- Stormy Blue #507B9C ΔE 0.058
Use #5B679B 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.