#3B95F0
Closest named color: Chefchaouen Blue (#4895EF). oklch(66% 0.16 251.8), rgb(59, 149, 240).
Aa
Black text reads best on this color (6.74:1).
About this color
#3B95F0 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.160 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.009 away. Black text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #3B95F0 |
| RGB | rgb(59, 149, 240) |
| HSL | hsl(210, 86%, 59%) |
| OKLCH | oklch(66% 0.16 251.8) |
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 #3B95F0 | 3.11:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #3B95F0 | 6.74:1 | AA | Lc 46.3 | Large or bold text, headings |
| #3B95F0 text on white | 3.11:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #3B95F0 text on black | 6.74:1 | AA | Lc -44.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400
#63A5EC
oklch(70.8% 0.125 251.6)
-
Step 500
500 (this color)
#3B95F0
oklch(66% 0.16 251.8)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#0A4277
oklch(37.6% 0.105 252.3)
-
Step 950
950
#092745
oklch(26.9% 0.066 251.7)
#3B95F0 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) | #6A9BF4 | 0.046 |
| Deuteranopia (no green cones) | #4E8AEE | 0.030 |
| Tritanopia (no blue cones) | #00ABB7 | 0.120 |
| Achromatopsia (no color) | #929292 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B95F0
#3B95F0
oklch(66% 0.16 251.8)
- #C78100
#C78100
oklch(66% 0.142 71.5)
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 #3B95F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.009
- Dark Sky Blue #448EE4 ΔE 0.023
- Dodger Blue #1E90FF ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.034
- Soft Blue #6488EA ΔE 0.044
- Water Blue #0E87CC ΔE 0.069
- Clear Blue #247AFD ΔE 0.079
- Cornflower #6A79F7 ΔE 0.080
Use #3B95F0 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.