#3985FF
Closest named color: Dodger Blue (#1E90FF). oklch(63.5% 0.197 259.6), rgb(57, 133, 255).
Aa
Black text reads best on this color (5.97:1).
About this color
#3985FF is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.197 and its hue 260°. 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 5.97:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.197) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #3985FF |
| RGB | rgb(57, 133, 255) |
| HSL | hsl(217, 100%, 61%) |
| OKLCH | oklch(63.5% 0.197 259.6) |
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 #3985FF | 3.51:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #3985FF | 5.97:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #3985FF text on white | 3.51:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #3985FF text on black | 5.97:1 | AA | Lc -39.5 | 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
#C5DBFD
oklch(88.6% 0.053 259)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#65A0FF
oklch(70.8% 0.153 259.5)
-
Step 500
500 (this color)
#3985FF
oklch(63.5% 0.197 259.6)
-
Step 600
600
#0E69ED
oklch(55.5% 0.214 259.7)
-
Step 700
700
#0057CD
oklch(49.1% 0.196 259.6)
-
Step 800
800
#0648A7
oklch(42.8% 0.165 259.6)
-
Step 900
900
#113D84
oklch(37.6% 0.129 259.9)
-
Step 950
950
#0B254D
oklch(27% 0.081 259)
#3985FF 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) | #3E92FF | 0.034 |
| Deuteranopia (no green cones) | #0080FD | 0.028 |
| Tritanopia (no blue cones) | #00A2B6 | 0.151 |
| Achromatopsia (no color) | #898989 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3985FF
#3985FF
oklch(63.5% 0.197 259.6)
- #B48000
#B48000
oklch(63.5% 0.132 80)
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 #3985FF, closest first.
No curated palette has a color within ΔE 0.04 of #3985FF.
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 0.051
- Soft Blue #6488EA ΔE 0.051
- Cornflower #6A79F7 ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.068
- Cerulean Blue #056EEE ΔE 0.071
Use #3985FF 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.