#528AFA
Closest named color: Soft Blue (#6488EA). oklch(65.1% 0.177 262.5), rgb(82, 138, 250).
Aa
Black text reads best on this color (6.37:1).
About this color
#528AFA is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.177 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.028 away. Black text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #528AFA |
| RGB | rgb(82, 138, 250) |
| HSL | hsl(220, 94%, 65%) |
| OKLCH | oklch(65.1% 0.177 262.5) |
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 #528AFA | 3.29:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #528AFA | 6.37:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #528AFA text on white | 3.29:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #528AFA text on black | 6.37:1 | AA | Lc -41.7 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A3C1F9
oklch(80.9% 0.086 262.7)
-
Step 400
400
#719FF7
oklch(70.8% 0.139 262.4)
-
Step 500
500 (this color)
#528AFA
oklch(65.1% 0.177 262.5)
-
Step 600
600
#306AE2
oklch(55.6% 0.193 262.5)
-
Step 700
700
#2357C4
oklch(49% 0.18 262.6)
-
Step 800
800
#1F489F
oklch(42.7% 0.149 262.8)
-
Step 900
900
#1E3E7E
oklch(37.8% 0.115 262.3)
-
Step 950
950
#12254A
oklch(27.1% 0.073 262.2)
#528AFA 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) | #5296FE | 0.031 |
| Deuteranopia (no green cones) | #3286F8 | 0.029 |
| Tritanopia (no blue cones) | #00A4B6 | 0.144 |
| Achromatopsia (no color) | #8E8E8E | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528AFA
#528AFA
oklch(65.1% 0.177 262.5)
- #B78600
#B78600
oklch(65.1% 0.134 82.6)
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 #528AFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.028
- Dodger Blue #1E90FF ΔE 0.033
- Chefchaouen Blue #4895EF ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.039
- Cornflower Blue #6495ED ΔE 0.043
- Cornflower #6A79F7 ΔE 0.045
- Clear Blue #247AFD ΔE 0.058
- Lavender Blue #8B88F8 ΔE 0.067
Use #528AFA 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.