#505FA2
Closest named color: Dusky Blue (#475F94). oklch(50.5% 0.108 272.5), rgb(80, 95, 162).
Aa
White text reads best on this color (6.00:1).
About this color
#505FA2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.108 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.026 away. White text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #505FA2 |
| RGB | rgb(80, 95, 162) |
| HSL | hsl(229, 34%, 47%) |
| OKLCH | oklch(50.5% 0.108 272.5) |
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 #505FA2 | 6.00:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #505FA2 | 3.49:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #505FA2 text on white | 6.00:1 | AA | Lc 79.9 | Fine for body text |
| #505FA2 text on black | 3.49:1 | AA large text | Lc -22.0 | 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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D2D8ED
oklch(88.4% 0.03 273.1)
-
Step 300
300
#B5BFE3
oklch(80.9% 0.052 273)
-
Step 400
400
#8F9ED5
oklch(70.8% 0.082 272.4)
-
Step 500
500
#7385CA
oklch(63.1% 0.106 271.9)
-
Step 600
600
#5D6DB7
oklch(55.6% 0.116 272.9)
-
Step 700
700 (this color)
#505FA2
oklch(50.5% 0.108 272.5)
-
Step 800
800
#3F4B80
oklch(42.8% 0.089 272.5)
-
Step 900
900
#353F67
oklch(37.8% 0.07 272.1)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#505FA2 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) | #4467A5 | 0.024 |
| Deuteranopia (no green cones) | #3C60A1 | 0.024 |
| Tritanopia (no blue cones) | #2E6D78 | 0.097 |
| Achromatopsia (no color) | #636363 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505FA2
#505FA2
oklch(50.5% 0.108 272.5)
- #796200
#796200
oklch(50.4% 0.103 92.8)
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 #505FA2, closest first.
No curated palette has a color within ΔE 0.04 of #505FA2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.026
- French Blue #436BAD ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.040
- Denim #3B638C ΔE 0.048
- Twilight #4E518B ΔE 0.049
- Mid Blue #276AB3 ΔE 0.049
- Muted Blue #3B719F ΔE 0.055
- Flat Blue #3C73A8 ΔE 0.056
Use #505FA2 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.