#3575F3
Closest named color: Clear Blue (#247AFD). oklch(59.2% 0.201 262), rgb(53, 117, 243).
Aa
Black text reads best on this color (4.99:1).
About this color
#3575F3 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.201 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.019 away. Black text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #3575F3 |
| RGB | rgb(53, 117, 243) |
| HSL | hsl(220, 89%, 58%) |
| OKLCH | oklch(59.2% 0.201 262) |
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 #3575F3 | 4.20:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #3575F3 | 4.99:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #3575F3 text on white | 4.20:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #3575F3 text on black | 4.99:1 | AA | Lc -33.2 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A1C1FC
oklch(80.9% 0.091 262.4)
-
Step 400
400
#6E9FFA
oklch(70.8% 0.144 261.9)
-
Step 500
500
#4783F7
oklch(63% 0.185 262)
-
Step 600
600 (this color)
#3575F3
oklch(59.2% 0.201 262)
-
Step 700
700
#1D57C8
oklch(49.1% 0.186 261.9)
-
Step 800
800
#1A48A2
oklch(42.8% 0.154 261.9)
-
Step 900
900
#1B3D80
oklch(37.6% 0.12 262.1)
-
Step 950
950
#10244B
oklch(26.8% 0.077 262.1)
#3575F3 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) | #1885F7 | 0.039 |
| Deuteranopia (no green cones) | #0073F1 | 0.023 |
| Tritanopia (no blue cones) | #0094A9 | 0.156 |
| Achromatopsia (no color) | #7B7B7B | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3575F3
#3575F3
oklch(59.2% 0.201 262)
- #A27500
#A27500
oklch(59.2% 0.122 81.7)
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 #3575F3, closest first.
No curated palette has a color within ΔE 0.04 of #3575F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.019
- Cerulean Blue #056EEE ΔE 0.031
- Royal Blue #4169E1 ΔE 0.038
- Neon Blue #4361EE ΔE 0.046
- Bright Blue #0165FC ΔE 0.050
- Cornflower #6A79F7 ΔE 0.057
- Azul #1D5DEC ΔE 0.064
- Dodger Blue #1E90FF ΔE 0.068
Use #3575F3 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.