#5473D2
Closest named color: Royal Blue (#4169E1). oklch(57.9% 0.15 267.9), rgb(84, 115, 210).
Aa
Black text reads best on this color (4.75:1).
About this color
#5473D2 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.150 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.043 away. Black text reads best on it, at 4.75:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #5473D2 |
| RGB | rgb(84, 115, 210) |
| HSL | hsl(225, 58%, 58%) |
| OKLCH | oklch(57.9% 0.15 267.9) |
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 #5473D2 | 4.41:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #5473D2 | 4.75:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #5473D2 text on white | 4.41:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #5473D2 text on black | 4.75:1 | AA | Lc -31.3 | Non-text elements, placeholder text |
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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#849EE4
oklch(70.7% 0.107 268)
-
Step 500
500
#6684DD
oklch(63.1% 0.138 268.2)
-
Step 600
600 (this color)
#5473D2
oklch(57.9% 0.15 267.9)
-
Step 700
700
#3F5AAF
oklch(49.2% 0.139 267.8)
-
Step 800
800
#344A8E
oklch(42.8% 0.115 267.8)
-
Step 900
900
#2D3E71
oklch(37.7% 0.09 268)
-
Step 950
950
#1A2542
oklch(27% 0.056 266.9)
#5473D2 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) | #467ED6 | 0.030 |
| Deuteranopia (no green cones) | #3373D0 | 0.032 |
| Tritanopia (no blue cones) | #008898 | 0.130 |
| Achromatopsia (no color) | #787878 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5473D2
#5473D2
oklch(57.9% 0.15 267.9)
- #977500
#977500
oklch(57.9% 0.118 88.3)
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 #5473D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.043
- Windows Blue #3778BF ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.052
- French Blue #436BAD ΔE 0.064
- Slate Blue #6A5ACD ΔE 0.064
- Cornflower #6A79F7 ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.066
- Water Blue #0E87CC ΔE 0.067
Use #5473D2 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.