#5281DD
Closest named color: Soft Blue (#6488EA). oklch(61.4% 0.149 262.5), rgb(82, 129, 221).
Aa
Black text reads best on this color (5.54:1).
About this color
#5281DD is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.149 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.034 away. Black text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #5281DD |
| RGB | rgb(82, 129, 221) |
| HSL | hsl(220, 67%, 59%) |
| OKLCH | oklch(61.4% 0.149 262.5) |
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 #5281DD | 3.78:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #5281DD | 5.54:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #5281DD text on white | 3.78:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #5281DD text on black | 5.54:1 | AA | Lc -36.5 | 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 500.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A8C1F0
oklch(80.9% 0.072 262.9)
-
Step 400
400
#79A0E9
oklch(70.7% 0.116 262.3)
-
Step 500
500 (this color)
#5281DD
oklch(61.4% 0.149 262.5)
-
Step 600
600
#3D6ED1
oklch(55.7% 0.162 262.6)
-
Step 700
700
#2F5BB5
oklch(49.1% 0.151 262.6)
-
Step 800
800
#274B92
oklch(42.7% 0.124 262.2)
-
Step 900
900
#243F75
oklch(37.7% 0.098 262.6)
-
Step 950
950
#162544
oklch(26.9% 0.061 263.4)
#5281DD 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) | #578AE1 | 0.025 |
| Deuteranopia (no green cones) | #427DDB | 0.020 |
| Tritanopia (no blue cones) | #0096A4 | 0.125 |
| Achromatopsia (no color) | #838383 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5281DD
#5281DD
oklch(61.4% 0.149 262.5)
- #A97C00
#A97C00
oklch(61.4% 0.126 83)
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 #5281DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.034
- Dark Sky Blue #448EE4 ΔE 0.034
- Water Blue #0E87CC ΔE 0.053
- Cornflower #6A79F7 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.054
- Windows Blue #3778BF ΔE 0.058
- Cool Blue #4984B8 ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.061
Use #5281DD 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.