#3782F2
Closest named color: Clear Blue (#247AFD). oklch(61.9% 0.184 258.6), rgb(55, 130, 242).
Aa
Black text reads best on this color (5.63:1).
About this color
#3782F2 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.184 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.031 away. Black text reads best on it, at 5.63:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #3782F2 |
| RGB | rgb(55, 130, 242) |
| HSL | hsl(216, 88%, 58%) |
| OKLCH | oklch(61.9% 0.184 258.6) |
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 #3782F2 | 3.72:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #3782F2 | 5.63:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #3782F2 text on white | 3.72:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #3782F2 text on black | 5.63:1 | AA | Lc -37.3 | 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
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DBFB
oklch(88.6% 0.05 258.7)
-
Step 300
300
#9DC2FB
oklch(80.8% 0.091 258.9)
-
Step 400
400
#67A1F9
oklch(70.8% 0.143 258.5)
-
Step 500
500 (this color)
#3782F2
oklch(61.9% 0.184 258.6)
-
Step 600
600
#136CE5
oklch(55.6% 0.2 258.7)
-
Step 700
700
#0159C7
oklch(49% 0.186 258.7)
-
Step 800
800
#094AA1
oklch(42.8% 0.154 258.5)
-
Step 900
900
#123F80
oklch(37.8% 0.12 258.4)
-
Step 950
950
#0C254B
oklch(26.9% 0.077 258.8)
#3782F2 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) | #458DF6 | 0.032 |
| Deuteranopia (no green cones) | #0C7CF0 | 0.027 |
| Tritanopia (no blue cones) | #009DAE | 0.143 |
| Achromatopsia (no color) | #848484 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3782F2
#3782F2
oklch(61.9% 0.184 258.6)
- #AF7B00
#AF7B00
oklch(61.9% 0.129 79)
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 #3782F2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.031
- Dodger Blue #1E90FF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.043
- Soft Blue #6488EA ΔE 0.048
- Cornflower #6A79F7 ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.060
- Royal Blue #4169E1 ΔE 0.065
Use #3782F2 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.