#3A79EC
Closest named color: Clear Blue (#247AFD). oklch(59.7% 0.186 261.2), rgb(58, 121, 236).
Aa
Black text reads best on this color (5.12:1).
About this color
#3A79EC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.186 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.028 away. Black text reads best on it, at 5.12:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #3A79EC |
| RGB | rgb(58, 121, 236) |
| HSL | hsl(219, 82%, 58%) |
| OKLCH | oklch(59.7% 0.186 261.2) |
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 #3A79EC | 4.09:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #3A79EC | 5.12:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #3A79EC text on white | 4.09:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #3A79EC text on black | 5.12:1 | AA | Lc -34.0 | 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
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C1FC
oklch(80.8% 0.091 261.8)
-
Step 400
400
#6C9FFA
oklch(70.7% 0.145 261.3)
-
Step 500
500 (this color)
#3A79EC
oklch(59.7% 0.186 261.2)
-
Step 600
600
#256AE7
oklch(55.7% 0.202 261.2)
-
Step 700
700
#1857C9
oklch(49.1% 0.188 261.3)
-
Step 800
800
#1648A2
oklch(42.7% 0.155 261.1)
-
Step 900
900
#193E81
oklch(37.8% 0.121 261.1)
-
Step 950
950
#0F254B
oklch(27% 0.076 260.5)
#3A79EC 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) | #3586F0 | 0.033 |
| Deuteranopia (no green cones) | #0076EA | 0.028 |
| Tritanopia (no blue cones) | #0095A7 | 0.147 |
| Achromatopsia (no color) | #7D7D7D | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A79EC
#3A79EC
oklch(59.7% 0.186 261.2)
- #A47600
#A47600
oklch(59.6% 0.123 81.3)
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 #3A79EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.028
- Royal Blue #4169E1 ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.041
- Cornflower #6A79F7 ΔE 0.053
- Neon Blue #4361EE ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.060
- Dodger Blue #1E90FF ΔE 0.061
- Soft Blue #6488EA ΔE 0.061
Use #3A79EC 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.