#3383FE
Closest named color: Clear Blue (#247AFD). oklch(62.8% 0.199 259.2), rgb(51, 131, 254).
Aa
Black text reads best on this color (5.81:1).
About this color
#3383FE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.199 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.026 away. Black text reads best on it, at 5.81:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.81:1 |
| White text | 3.60:1 |
Values
| HEX | #3383FE |
| RGB | rgb(51, 131, 254) |
| HSL | hsl(216, 99%, 60%) |
| OKLCH | oklch(62.8% 0.199 259.2) |
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 #3383FE | 3.60:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #3383FE | 5.81:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #3383FE text on white | 3.60:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #3383FE text on black | 5.81:1 | AA | Lc -38.5 | 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
#C4DBFE
oklch(88.6% 0.054 258.7)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400
#63A0FF
oklch(70.7% 0.154 259)
-
Step 500
500 (this color)
#3383FE
oklch(62.8% 0.199 259.2)
-
Step 600
600
#0169EE
oklch(55.5% 0.216 259.2)
-
Step 700
700
#0058CA
oklch(49.1% 0.191 259.1)
-
Step 800
800
#0048A8
oklch(42.8% 0.167 259.1)
-
Step 900
900
#0E3E85
oklch(37.8% 0.13 259)
-
Step 950
950
#0A254E
oklch(27.1% 0.082 258.9)
#3383FE 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) | #3990FF | 0.034 |
| Deuteranopia (no green cones) | #007EFC | 0.024 |
| Tritanopia (no blue cones) | #00A1B4 | 0.154 |
| Achromatopsia (no color) | #878787 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3383FE
#3383FE
oklch(62.8% 0.199 259.2)
- #B27E00
#B27E00
oklch(62.9% 0.13 79.6)
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 #3383FE, closest first.
No curated palette has a color within ΔE 0.04 of #3383FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.026
- Dodger Blue #1E90FF ΔE 0.032
- Cornflower #6A79F7 ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.054
- Soft Blue #6488EA ΔE 0.055
- Chefchaouen Blue #4895EF ΔE 0.059
- Cerulean Blue #056EEE ΔE 0.064
- Royal Blue #4169E1 ΔE 0.073
Use #3383FE 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.