#5F6ABC
Closest named color: French Blue (#436BAD). oklch(55.4% 0.127 275.7), rgb(95, 106, 188).
Aa
White text reads best on this color (4.91:1).
About this color
#5F6ABC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.127 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.043 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #5F6ABC |
| RGB | rgb(95, 106, 188) |
| HSL | hsl(233, 41%, 55%) |
| OKLCH | oklch(55.4% 0.127 275.7) |
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 #5F6ABC | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #5F6ABC | 4.27:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #5F6ABC text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #5F6ABC text on black | 4.27:1 | AA large text | Lc -27.8 | 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
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE6
oklch(80.9% 0.057 276.2)
-
Step 400
400
#909CDA
oklch(70.7% 0.092 275.4)
-
Step 500
500
#7682D0
oklch(63% 0.118 275.8)
-
Step 600
600 (this color)
#5F6ABC
oklch(55.4% 0.127 275.7)
-
Step 700
700
#4F59A3
oklch(49.2% 0.118 275.4)
-
Step 800
800
#414984
oklch(42.8% 0.098 275.7)
-
Step 900
900
#373D6A
oklch(37.7% 0.077 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#5F6ABC 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) | #4975BF | 0.036 |
| Deuteranopia (no green cones) | #406DBA | 0.037 |
| Tritanopia (no blue cones) | #3A7B8A | 0.111 |
| Achromatopsia (no color) | #717171 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F6ABC
#5F6ABC
oklch(55.4% 0.127 275.7)
- #877100
#877100
oklch(55.3% 0.114 95.5)
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 #5F6ABC, closest first.
No curated palette has a color within ΔE 0.04 of #5F6ABC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.046
- Iris #6258C4 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.052
- Windows Blue #3778BF ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.055
- Flat Blue #3C73A8 ΔE 0.059
- Mid Blue #276AB3 ΔE 0.061
Use #5F6ABC 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.