#3985FB
Closest named color: Dodger Blue (#1E90FF). oklch(63.2% 0.192 259.2), rgb(57, 133, 251).
Aa
Black text reads best on this color (5.92:1).
About this color
#3985FB is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.192 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.028 away. Black text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.192) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #3985FB |
| RGB | rgb(57, 133, 251) |
| HSL | hsl(216, 96%, 60%) |
| OKLCH | oklch(63.2% 0.192 259.2) |
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 #3985FB | 3.54:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #3985FB | 5.92:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #3985FB text on white | 3.54:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #3985FB text on black | 5.92:1 | AA | Lc -39.1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9CC2FD
oklch(80.8% 0.094 259)
-
Step 400
400
#65A0FD
oklch(70.7% 0.15 259.2)
-
Step 500
500 (this color)
#3985FB
oklch(63.2% 0.192 259.2)
-
Step 600
600
#0F6BEA
oklch(55.7% 0.208 259.1)
-
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)
#3985FB 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) | #4391FF | 0.033 |
| Deuteranopia (no green cones) | #0080F9 | 0.028 |
| Tritanopia (no blue cones) | #00A1B4 | 0.148 |
| Achromatopsia (no color) | #888888 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3985FB
#3985FB
oklch(63.2% 0.192 259.2)
- #B47F00
#B47F00
oklch(63.3% 0.131 79.2)
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 #3985FB, closest first.
No curated palette has a color within ΔE 0.04 of #3985FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.028
- Clear Blue #247AFD ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.046
- Soft Blue #6488EA ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.051
- Cornflower #6A79F7 ΔE 0.051
- Cornflower Blue #6495ED ΔE 0.066
- Cerulean Blue #056EEE ΔE 0.069
Use #3985FB 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.