#3530FC
Closest named color: Light Royal Blue (#3A2EFE). oklch(49.2% 0.281 270.5), rgb(53, 48, 252).
Aa
White text reads best on this color (7.04:1).
About this color
#3530FC is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.281 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Royal Blue (#3A2EFE), ΔE 0.006 away. White text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.281) |
| Temperature | cool |
| Nearest name | Light Royal Blue (#3A2EFE) |
| Black text | 2.97:1 |
| White text | 7.04:1 |
Values
| HEX | #3530FC |
| RGB | rgb(53, 48, 252) |
| HSL | hsl(241, 97%, 59%) |
| OKLCH | oklch(49.2% 0.281 270.5) |
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 #3530FC | 7.04:1 | AAA | Lc -87.8 | Fine for body text |
| Black text on #3530FC | 2.97:1 | Fails | Lc 21.3 | Dividers and decoration only |
| #3530FC text on white | 7.04:1 | AAA | Lc 82.8 | Fine for body text |
| #3530FC text on black | 2.97:1 | Fails | Lc -19.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CBD8FF
oklch(88.5% 0.056 270.7)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7D99FF
oklch(70.7% 0.152 270.5)
-
Step 500
500
#5E7BFF
oklch(63.1% 0.198 270.4)
-
Step 600
600
#4458FF
oklch(55.5% 0.245 270.5)
-
Step 700
700 (this color)
#3530FC
oklch(49.2% 0.281 270.5)
-
Step 800
800
#2A2CCB
oklch(42.7% 0.233 270.4)
-
Step 900
900
#232D9F
oklch(37.7% 0.181 270.4)
-
Step 950
950
#141C5D
oklch(26.9% 0.115 270.8)
#3530FC 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) | #0063FF | 0.087 |
| Deuteranopia (no green cones) | #004EF9 | 0.048 |
| Tritanopia (no blue cones) | #007299 | 0.213 |
| Achromatopsia (no color) | #595959 | 0.283 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3530FC
#3530FC
oklch(49.2% 0.281 270.5)
- #775E00
#775E00
oklch(49.3% 0.101 90.6)
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 #3530FC, closest first.
No curated palette has a color within ΔE 0.04 of #3530FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Royal Blue #3A2EFE ΔE 0.006
- Vivid Blue #152EFF ΔE 0.029
- Vibrant Blue #0339F8 ΔE 0.032
- Rich Blue #021BF9 ΔE 0.051
- Electric Blue #0652FF ΔE 0.054
- Strong Blue #0C06F7 ΔE 0.059
- Primary Blue #0804F9 ΔE 0.060
- Blue #0000FF ΔE 0.061
Use #3530FC 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.