#3396F2
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.1% 0.164 250.6), rgb(51, 150, 242).
Aa
Black text reads best on this color (6.78:1).
About this color
#3396F2 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.164 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.014 away. Black text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #3396F2 |
| RGB | rgb(51, 150, 242) |
| HSL | hsl(209, 88%, 57%) |
| OKLCH | oklch(66.1% 0.164 250.6) |
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 #3396F2 | 3.09:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #3396F2 | 6.78:1 | AA | Lc 46.6 | Large or bold text, headings |
| #3396F2 text on white | 3.09:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #3396F2 text on black | 6.78:1 | AA | Lc -44.3 | 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 500.
-
Step 50
50
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C4DCF6
oklch(88.5% 0.044 250.4)
-
Step 300
300
#9AC5F3
oklch(80.9% 0.08 250.5)
-
Step 400
400
#5FA5ED
oklch(70.7% 0.128 250.7)
-
Step 500
500 (this color)
#3396F2
oklch(66.1% 0.164 250.6)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#024377
oklch(37.7% 0.106 250.2)
-
Step 950
950
#072746
oklch(26.9% 0.068 251.4)
#3396F2 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) | #6A9CF6 | 0.050 |
| Deuteranopia (no green cones) | #4C8BF0 | 0.030 |
| Tritanopia (no blue cones) | #00ACB8 | 0.121 |
| Achromatopsia (no color) | #929292 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3396F2
#3396F2
oklch(66.1% 0.164 250.6)
- #C88100
#C88100
oklch(66.1% 0.142 71.1)
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 #3396F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.014
- Dark Sky Blue #448EE4 ΔE 0.027
- Dodger Blue #1E90FF ΔE 0.029
- Cornflower Blue #6495ED ΔE 0.039
- Soft Blue #6488EA ΔE 0.049
- Water Blue #0E87CC ΔE 0.070
- Clear Blue #247AFD ΔE 0.079
- Cornflower #6A79F7 ΔE 0.083
Use #3396F2 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.