#5F6DC0
Closest named color: French Blue (#436BAD). oklch(56.3% 0.129 274.3), rgb(95, 109, 192).
Aa
White text reads best on this color (4.73:1).
About this color
#5F6DC0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.129 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.047 away. White text reads best on it, at 4.73:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #5F6DC0 |
| RGB | rgb(95, 109, 192) |
| HSL | hsl(231, 43%, 56%) |
| OKLCH | oklch(56.3% 0.129 274.3) |
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 #5F6DC0 | 4.73:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #5F6DC0 | 4.43:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #5F6DC0 text on white | 4.73:1 | AA | Lc 72.7 | Content text, not long reading |
| #5F6DC0 text on black | 4.43:1 | AA large text | Lc -29.0 | 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
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B5BFE7
oklch(81% 0.058 274)
-
Step 400
400
#8F9CDB
oklch(70.7% 0.094 274.8)
-
Step 500
500
#7483D1
oklch(63.2% 0.119 274.3)
-
Step 600
600 (this color)
#5F6DC0
oklch(56.3% 0.129 274.3)
-
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
#353D6A
oklch(37.5% 0.078 274.4)
-
Step 950
950
#1F243E
oklch(26.9% 0.049 274.4)
#5F6DC0 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) | #4B77C3 | 0.032 |
| Deuteranopia (no green cones) | #416FBE | 0.035 |
| Tritanopia (no blue cones) | #377F8D | 0.115 |
| Achromatopsia (no color) | #737373 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F6DC0
#5F6DC0
oklch(56.3% 0.129 274.3)
- #8B7300
#8B7300
oklch(56.2% 0.115 94.4)
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 #5F6DC0, closest first.
No curated palette has a color within ΔE 0.04 of #5F6DC0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.047
- Windows Blue #3778BF ΔE 0.048
- Iris #6258C4 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.060
- Royal Blue #4169E1 ΔE 0.063
Use #5F6DC0 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.