#5276D5
Closest named color: Windows Blue (#3778BF). oklch(58.6% 0.151 266.2), rgb(82, 118, 213).
Aa
Black text reads best on this color (4.91:1).
About this color
#5276D5 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.151 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.045 away. Black text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #5276D5 |
| RGB | rgb(82, 118, 213) |
| HSL | hsl(224, 61%, 58%) |
| OKLCH | oklch(58.6% 0.151 266.2) |
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 #5276D5 | 4.27:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #5276D5 | 4.91:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #5276D5 text on white | 4.27:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #5276D5 text on black | 4.91:1 | AA | Lc -32.3 | 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
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#ACC0EE
oklch(80.9% 0.069 266.5)
-
Step 400
400
#819FE5
oklch(70.8% 0.108 266)
-
Step 500
500
#6285DD
oklch(63.1% 0.139 266.2)
-
Step 600
600 (this color)
#5276D5
oklch(58.6% 0.151 266.2)
-
Step 700
700
#3B5AAF
oklch(49% 0.14 266.3)
-
Step 800
800
#314A8E
oklch(42.7% 0.116 266.4)
-
Step 900
900
#2B3F71
oklch(37.8% 0.089 265.9)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#5276D5 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) | #4981D9 | 0.029 |
| Deuteranopia (no green cones) | #3575D3 | 0.028 |
| Tritanopia (no blue cones) | #008C9B | 0.130 |
| Achromatopsia (no color) | #7A7A7A | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5276D5
#5276D5
oklch(58.6% 0.151 266.2)
- #9B7600
#9B7600
oklch(58.6% 0.12 86.6)
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 #5276D5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.045
- Royal Blue #4169E1 ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.059
- Soft Blue #6488EA ΔE 0.060
- Cornflower #6A79F7 ΔE 0.060
- Water Blue #0E87CC ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.063
- Cool Blue #4984B8 ΔE 0.065
Use #5276D5 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.