#505AA2
Closest named color: Dusky Blue (#475F94). oklch(49.4% 0.115 275.4), rgb(80, 90, 162).
Aa
White text reads best on this color (6.31:1).
About this color
#505AA2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.115 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.031 away. White text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.32:1 |
| White text | 6.31:1 |
Values
| HEX | #505AA2 |
| RGB | rgb(80, 90, 162) |
| HSL | hsl(233, 34%, 47%) |
| OKLCH | oklch(49.4% 0.115 275.4) |
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 #505AA2 | 6.31:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #505AA2 | 3.32:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #505AA2 text on white | 6.31:1 | AA | Lc 81.3 | Fine for body text |
| #505AA2 text on black | 3.32:1 | AA large text | Lc -20.6 | 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 700.
-
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
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BEE5
oklch(80.8% 0.056 276)
-
Step 400
400
#919CD8
oklch(70.7% 0.089 275.9)
-
Step 500
500
#7683CE
oklch(63.1% 0.114 275.2)
-
Step 600
600
#606BBB
oklch(55.6% 0.124 275.7)
-
Step 700
700 (this color)
#505AA2
oklch(49.4% 0.115 275.4)
-
Step 800
800
#414982
oklch(42.7% 0.095 275.6)
-
Step 900
900
#373D69
oklch(37.6% 0.075 276.3)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#505AA2 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) | #3C63A5 | 0.032 |
| Deuteranopia (no green cones) | #355DA0 | 0.033 |
| Tritanopia (no blue cones) | #2F6976 | 0.101 |
| Achromatopsia (no color) | #606060 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505AA2
#505AA2
oklch(49.4% 0.115 275.4)
- #736000
#736000
oklch(49.3% 0.101 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 #505AA2, closest first.
No curated palette has a color within ΔE 0.04 of #505AA2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.039
- Twilight #4E518B ΔE 0.041
- French Blue #436BAD ΔE 0.047
- Dusk #4E5481 ΔE 0.053
- Denim #3B638C ΔE 0.054
- Mid Blue #276AB3 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.061
Use #505AA2 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.