#3B8BF6
Closest named color: Dodger Blue (#1E90FF). oklch(64.2% 0.178 256.9), rgb(59, 139, 246).
Aa
Black text reads best on this color (6.20:1).
About this color
#3B8BF6 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.178 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.020 away. Black text reads best on it, at 6.20:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #3B8BF6 |
| RGB | rgb(59, 139, 246) |
| HSL | hsl(214, 91%, 60%) |
| OKLCH | oklch(64.2% 0.178 256.9) |
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 #3B8BF6 | 3.38:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #3B8BF6 | 6.20:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #3B8BF6 text on white | 3.38:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #3B8BF6 text on black | 6.20:1 | AA | Lc -40.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9DC3F9
oklch(80.9% 0.087 257.2)
-
Step 400
400
#65A2F6
oklch(70.7% 0.139 256.7)
-
Step 500
500 (this color)
#3B8BF6
oklch(64.2% 0.178 256.9)
-
Step 600
600
#066EE1
oklch(55.6% 0.194 256.9)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800
#024B9E
oklch(42.6% 0.149 257)
-
Step 900
900
#10407D
oklch(37.7% 0.115 256.7)
-
Step 950
950
#0B2649
oklch(27% 0.073 256.3)
#3B8BF6 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) | #5495FA | 0.036 |
| Deuteranopia (no green cones) | #2F84F4 | 0.021 |
| Tritanopia (no blue cones) | #00A4B4 | 0.137 |
| Achromatopsia (no color) | #8C8C8C | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B8BF6
#3B8BF6
oklch(64.2% 0.178 256.9)
- #BA8000
#BA8000
oklch(64.2% 0.134 76.9)
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 #3B8BF6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.020
- Dark Sky Blue #448EE4 ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.033
- Soft Blue #6488EA ΔE 0.039
- Clear Blue #247AFD ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.051
- Cornflower #6A79F7 ΔE 0.058
- Water Blue #0E87CC ΔE 0.069
Use #3B8BF6 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.