#528AEA
Closest named color: Soft Blue (#6488EA). oklch(64.1% 0.156 260.5), rgb(82, 138, 234).
Aa
Black text reads best on this color (6.18:1).
About this color
#528AEA is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.156 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.018 away. Black text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #528AEA |
| RGB | rgb(82, 138, 234) |
| HSL | hsl(218, 78%, 62%) |
| OKLCH | oklch(64.1% 0.156 260.5) |
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 #528AEA | 3.39:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #528AEA | 6.18:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #528AEA text on white | 3.39:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #528AEA text on black | 6.18:1 | AA | Lc -40.5 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A5C2F3
oklch(81% 0.077 260.8)
-
Step 400
400
#74A1EC
oklch(70.8% 0.121 260.2)
-
Step 500
500 (this color)
#528AEA
oklch(64.1% 0.156 260.5)
-
Step 600
600
#336ED5
oklch(55.6% 0.17 260.7)
-
Step 700
700
#255CB8
oklch(49.2% 0.157 260.2)
-
Step 800
800
#204B95
oklch(42.6% 0.131 260.5)
-
Step 900
900
#1F4077
oklch(37.8% 0.102 260)
-
Step 950
950
#132646
oklch(27.1% 0.065 260.2)
#528AEA 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) | #5E93EE | 0.028 |
| Deuteranopia (no green cones) | #4785E8 | 0.018 |
| Tritanopia (no blue cones) | #00A0AF | 0.128 |
| Achromatopsia (no color) | #8B8B8B | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528AEA
#528AEA
oklch(64.1% 0.156 260.5)
- #B68200
#B68200
oklch(64.2% 0.133 80.3)
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 #528AEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.018
- Dark Sky Blue #448EE4 ΔE 0.019
- Chefchaouen Blue #4895EF ΔE 0.028
- Cornflower Blue #6495ED ΔE 0.037
- Dodger Blue #1E90FF ΔE 0.042
- Cornflower #6A79F7 ΔE 0.053
- Water Blue #0E87CC ΔE 0.064
- Clear Blue #247AFD ΔE 0.066
Use #528AEA 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.