#3B87FC
Closest named color: Dodger Blue (#1E90FF). oklch(63.7% 0.19 259), rgb(59, 135, 252).
Aa
Black text reads best on this color (6.05:1).
About this color
#3B87FC is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.190 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.024 away. Black text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #3B87FC |
| RGB | rgb(59, 135, 252) |
| HSL | hsl(216, 97%, 61%) |
| OKLCH | oklch(63.7% 0.19 259) |
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 #3B87FC | 3.46:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #3B87FC | 6.05:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #3B87FC text on white | 3.46:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #3B87FC text on black | 6.05:1 | AA | Lc -40.0 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9DC2FD
oklch(80.9% 0.093 259.6)
-
Step 400
400
#65A0FC
oklch(70.6% 0.149 259)
-
Step 500
500 (this color)
#3B87FC
oklch(63.7% 0.19 259)
-
Step 600
600
#0F6BE9
oklch(55.6% 0.207 259)
-
Step 700
700
#0058CA
oklch(49.1% 0.191 259.1)
-
Step 800
800
#0749A4
oklch(42.8% 0.159 259)
-
Step 900
900
#113E82
oklch(37.7% 0.125 259.1)
-
Step 950
950
#0C254C
oklch(27% 0.079 259.2)
#3B87FC 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) | #4793FF | 0.034 |
| Deuteranopia (no green cones) | #0981FA | 0.029 |
| Tritanopia (no blue cones) | #00A3B5 | 0.148 |
| Achromatopsia (no color) | #8A8A8A | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B87FC
#3B87FC
oklch(63.7% 0.19 259)
- #B68000
#B68000
oklch(63.8% 0.132 78.9)
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 #3B87FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.024
- Clear Blue #247AFD ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.044
- Soft Blue #6488EA ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.047
- Cornflower #6A79F7 ΔE 0.052
- Cornflower Blue #6495ED ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.075
Use #3B87FC 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.