#3679F7
Closest named color: Clear Blue (#247AFD). oklch(60.4% 0.201 261.5), rgb(54, 121, 247).
Aa
Black text reads best on this color (5.23:1).
About this color
#3679F7 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.201 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.013 away. Black text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.201) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #3679F7 |
| RGB | rgb(54, 121, 247) |
| HSL | hsl(219, 92%, 59%) |
| OKLCH | oklch(60.4% 0.201 261.5) |
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 #3679F7 | 4.01:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #3679F7 | 5.23:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #3679F7 text on white | 4.01:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #3679F7 text on black | 5.23:1 | AA | Lc -34.8 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699EFF
oklch(70.6% 0.153 261.6)
-
Step 500
500 (this color)
#3679F7
oklch(60.4% 0.201 261.5)
-
Step 600
600
#1D67F0
oklch(55.6% 0.218 261.5)
-
Step 700
700
#1054D1
oklch(49% 0.203 261.6)
-
Step 800
800
#1146A9
oklch(42.7% 0.168 261.6)
-
Step 900
900
#153C86
oklch(37.7% 0.132 261.6)
-
Step 950
950
#0D244E
oklch(27% 0.083 261.2)
#3679F7 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) | #2288FC | 0.037 |
| Deuteranopia (no green cones) | #0077F5 | 0.023 |
| Tritanopia (no blue cones) | #0098AC | 0.158 |
| Achromatopsia (no color) | #7F7F7F | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3679F7
#3679F7
oklch(60.4% 0.201 261.5)
- #A67800
#A67800
oklch(60.3% 0.124 81.7)
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 #3679F7, closest first.
No curated palette has a color within ΔE 0.04 of #3679F7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.013
- Cerulean Blue #056EEE ΔE 0.041
- Royal Blue #4169E1 ΔE 0.049
- Cornflower #6A79F7 ΔE 0.052
- Neon Blue #4361EE ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.057
- Bright Blue #0165FC ΔE 0.058
- Soft Blue #6488EA ΔE 0.067
Use #3679F7 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.