#3983FA
Closest named color: Clear Blue (#247AFD). oklch(62.7% 0.193 259.6), rgb(57, 131, 250).
Aa
Black text reads best on this color (5.80:1).
About this color
#3983FA is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.193 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.029 away. Black text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.80:1 |
| White text | 3.62:1 |
Values
| HEX | #3983FA |
| RGB | rgb(57, 131, 250) |
| HSL | hsl(217, 95%, 60%) |
| OKLCH | oklch(62.7% 0.193 259.6) |
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 #3983FA | 3.62:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #3983FA | 5.80:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #3983FA text on white | 3.62:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #3983FA text on black | 5.80:1 | AA | Lc -38.4 | 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
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9DC2FE
oklch(80.9% 0.094 259.9)
-
Step 400
400
#66A0FD
oklch(70.7% 0.15 259.4)
-
Step 500
500 (this color)
#3983FA
oklch(62.7% 0.193 259.6)
-
Step 600
600
#136AEB
oklch(55.6% 0.21 259.7)
-
Step 700
700
#0257CC
oklch(49% 0.195 259.7)
-
Step 800
800
#0948A5
oklch(42.7% 0.162 259.7)
-
Step 900
900
#123E83
oklch(37.8% 0.126 259.5)
-
Step 950
950
#0C254C
oklch(27% 0.079 259.2)
#3983FA 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) | #3F90FE | 0.035 |
| Deuteranopia (no green cones) | #007EF8 | 0.028 |
| Tritanopia (no blue cones) | #00A0B2 | 0.151 |
| Achromatopsia (no color) | #868686 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3983FA
#3983FA
oklch(62.7% 0.193 259.6)
- #B17E00
#B17E00
oklch(62.8% 0.13 80.1)
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 #3983FA, closest first.
No curated palette has a color within ΔE 0.04 of #3983FA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.048
- Soft Blue #6488EA ΔE 0.050
- Cornflower #6A79F7 ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.070
Use #3983FA 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.