#50549E
Closest named color: Twilight (#4E518B). oklch(47.9% 0.117 278.7), rgb(80, 84, 158).
Aa
White text reads best on this color (6.76:1).
About this color
#50549E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.117 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.031 away. White text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #50549E |
| RGB | rgb(80, 84, 158) |
| HSL | hsl(237, 33%, 47%) |
| OKLCH | oklch(47.9% 0.117 278.7) |
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 #50549E | 6.76:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #50549E | 3.10:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #50549E text on white | 6.76:1 | AA | Lc 83.2 | Fine for body text |
| #50549E text on black | 3.10:1 | AA large text | Lc -18.8 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EE
oklch(88.6% 0.03 277.6)
-
Step 300
300
#B8BEE6
oklch(81% 0.057 278.4)
-
Step 400
400
#949BD9
oklch(70.7% 0.091 278.8)
-
Step 500
500
#7A81CF
oklch(63.1% 0.117 278.6)
-
Step 600
600
#6469BC
oklch(55.6% 0.127 278.8)
-
Step 700
700 (this color)
#50549E
oklch(47.9% 0.117 278.7)
-
Step 800
800
#444883
oklch(42.8% 0.097 278.5)
-
Step 900
900
#393D69
oklch(37.8% 0.075 278.2)
-
Step 950
950
#21243E
oklch(27.1% 0.048 277.6)
#50549E 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) | #355EA1 | 0.039 |
| Deuteranopia (no green cones) | #2E589C | 0.042 |
| Tritanopia (no blue cones) | #336471 | 0.103 |
| Achromatopsia (no color) | #5B5B5B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50549E
#50549E
oklch(47.9% 0.117 278.7)
- #6C5D00
#6C5D00
oklch(47.8% 0.099 98.2)
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 #50549E, closest first.
No curated palette has a color within ΔE 0.04 of #50549E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.031
- Dusky Blue #475F94 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.040
- Dusk #4E5481 ΔE 0.048
- Blueberry #464196 ΔE 0.054
- Dusk Blue #26538D ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.060
- Denim #3B638C ΔE 0.061
Use #50549E 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.