#5A5AA3
Closest named color: Dusky Blue (#475F94). oklch(50.3% 0.114 281.5), rgb(90, 90, 163).
Aa
White text reads best on this color (6.12:1).
About this color
#5A5AA3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.114 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.040 away. White text reads best on it, at 6.12:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #5A5AA3 |
| RGB | rgb(90, 90, 163) |
| HSL | hsl(240, 29%, 50%) |
| OKLCH | oklch(50.3% 0.114 281.5) |
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 #5A5AA3 | 6.12:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #5A5AA3 | 3.42:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #5A5AA3 text on white | 6.12:1 | AA | Lc 80.5 | Fine for body text |
| #5A5AA3 text on black | 3.42:1 | AA large text | Lc -21.4 | 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
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#BABDE4
oklch(80.9% 0.055 281.6)
-
Step 400
400
#979AD7
oklch(70.7% 0.089 281.7)
-
Step 500
500
#7E80CC
oklch(63% 0.113 281.5)
-
Step 600
600
#6868B9
oklch(55.5% 0.124 281.6)
-
Step 700
700 (this color)
#5A5AA3
oklch(50.3% 0.114 281.5)
-
Step 800
800
#474781
oklch(42.7% 0.095 281.6)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#23233D
oklch(27% 0.048 282.7)
#5A5AA3 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) | #3E64A6 | 0.041 |
| Deuteranopia (no green cones) | #3A5FA1 | 0.042 |
| Tritanopia (no blue cones) | #426976 | 0.100 |
| Achromatopsia (no color) | #626262 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A5AA3
#5A5AA3
oklch(50.3% 0.114 281.5)
- #716500
#716500
oklch(50.3% 0.105 101.2)
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 #5A5AA3, closest first.
No curated palette has a color within ΔE 0.04 of #5A5AA3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.040
- Twilight #4E518B ΔE 0.048
- French Blue #436BAD ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.051
- Iris #6258C4 ΔE 0.055
- Dusk #4E5481 ΔE 0.059
- Denim #3B638C ΔE 0.063
- Mid Blue #276AB3 ΔE 0.065
Use #5A5AA3 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.