#3976F1
Closest named color: Clear Blue (#247AFD). oklch(59.4% 0.196 262.3), rgb(57, 118, 241).
Aa
Black text reads best on this color (5.03:1).
About this color
#3976F1 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.196 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.022 away. Black text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #3976F1 |
| RGB | rgb(57, 118, 241) |
| HSL | hsl(220, 87%, 58%) |
| OKLCH | oklch(59.4% 0.196 262.3) |
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 #3976F1 | 4.17:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #3976F1 | 5.03:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #3976F1 text on white | 4.17:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #3976F1 text on black | 5.03:1 | AA | Lc -33.4 | 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
#E0EAFD
oklch(93.5% 0.028 263.4)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6B9EFF
oklch(70.7% 0.153 262.2)
-
Step 500
500 (this color)
#3976F1
oklch(59.4% 0.196 262.3)
-
Step 600
600
#2667ED
oklch(55.6% 0.213 262.4)
-
Step 700
700
#1955CE
oklch(49.2% 0.197 262.2)
-
Step 800
800
#1746A7
oklch(42.7% 0.164 262.4)
-
Step 900
900
#193C84
oklch(37.6% 0.128 262.5)
-
Step 950
950
#0F244D
oklch(27% 0.081 262.1)
#3976F1 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) | #2385F5 | 0.037 |
| Deuteranopia (no green cones) | #0074EF | 0.026 |
| Tritanopia (no blue cones) | #0094A8 | 0.154 |
| Achromatopsia (no color) | #7C7C7C | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3976F1
#3976F1
oklch(59.4% 0.196 262.3)
- #A27600
#A27600
oklch(59.4% 0.122 82.4)
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 #3976F1, closest first.
No curated palette has a color within ΔE 0.04 of #3976F1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.022
- Cerulean Blue #056EEE ΔE 0.035
- Royal Blue #4169E1 ΔE 0.038
- Neon Blue #4361EE ΔE 0.049
- Cornflower #6A79F7 ΔE 0.054
- Bright Blue #0165FC ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.066
- Azul #1D5DEC ΔE 0.067
Use #3976F1 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.