#3774F6
Closest named color: Clear Blue (#247AFD). oklch(59.3% 0.205 262.8), rgb(55, 116, 246).
Aa
Black text reads best on this color (4.99:1).
About this color
#3774F6 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.205 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.018 away. Black text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #3774F6 |
| RGB | rgb(55, 116, 246) |
| HSL | hsl(221, 91%, 59%) |
| OKLCH | oklch(59.3% 0.205 262.8) |
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 #3774F6 | 4.20:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #3774F6 | 4.99:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #3774F6 text on white | 4.20:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #3774F6 text on black | 4.99:1 | AA | Lc -33.2 | 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 600.
-
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
#C7DAFC
oklch(88.5% 0.051 262.1)
-
Step 300
300
#A1C1FD
oklch(80.9% 0.092 262.7)
-
Step 400
400
#6E9EFC
oklch(70.7% 0.148 262.7)
-
Step 500
500
#4982FA
oklch(63.1% 0.189 263)
-
Step 600
600 (this color)
#3774F6
oklch(59.3% 0.205 262.8)
-
Step 700
700
#2055CB
oklch(49.1% 0.192 263)
-
Step 800
800
#1C47A4
oklch(42.8% 0.158 262.9)
-
Step 900
900
#1C3D82
oklch(37.8% 0.123 262.8)
-
Step 950
950
#11244C
oklch(27% 0.078 263.1)
#3774F6 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) | #0385FB | 0.042 |
| Deuteranopia (no green cones) | #0073F3 | 0.024 |
| Tritanopia (no blue cones) | #0094AA | 0.160 |
| Achromatopsia (no color) | #7B7B7B | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3774F6
#3774F6
oklch(59.3% 0.205 262.8)
- #A17600
#A17600
oklch(59.3% 0.122 83)
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 #3774F6, closest first.
No curated palette has a color within ΔE 0.04 of #3774F6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.018
- Cerulean Blue #056EEE ΔE 0.033
- Royal Blue #4169E1 ΔE 0.040
- Neon Blue #4361EE ΔE 0.045
- Bright Blue #0165FC ΔE 0.048
- Cornflower #6A79F7 ΔE 0.056
- Azul #1D5DEC ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.069
Use #3774F6 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.