#3D77FC
Closest named color: Clear Blue (#247AFD). oklch(60.6% 0.208 263.6), rgb(61, 119, 252).
Aa
Black text reads best on this color (5.24:1).
About this color
#3D77FC is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.208 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.016 away. Black text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.208) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #3D77FC |
| RGB | rgb(61, 119, 252) |
| HSL | hsl(222, 97%, 61%) |
| OKLCH | oklch(60.6% 0.208 263.6) |
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 #3D77FC | 4.00:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #3D77FC | 5.24:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #3D77FC text on white | 4.00:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #3D77FC text on black | 5.24:1 | 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
#C6DAFF
oklch(88.5% 0.056 262.8)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500 (this color)
#3D77FC
oklch(60.6% 0.208 263.6)
-
Step 600
600
#2864F5
oklch(55.7% 0.226 263.6)
-
Step 700
700
#1C51D5
oklch(49.1% 0.21 263.7)
-
Step 800
800
#1844AC
oklch(42.8% 0.173 263.4)
-
Step 900
900
#193B88
oklch(37.7% 0.135 263.4)
-
Step 950
950
#0F2350
oklch(27% 0.087 263.6)
#3D77FC 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) | #0688FF | 0.043 |
| Deuteranopia (no green cones) | #0077F9 | 0.027 |
| Tritanopia (no blue cones) | #0098AE | 0.164 |
| Achromatopsia (no color) | #7F7F7F | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D77FC
#3D77FC
oklch(60.6% 0.208 263.6)
- #A57A00
#A57A00
oklch(60.6% 0.124 83.8)
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 #3D77FC, closest first.
No curated palette has a color within ΔE 0.04 of #3D77FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.016
- Cerulean Blue #056EEE ΔE 0.045
- Cornflower #6A79F7 ΔE 0.049
- Royal Blue #4169E1 ΔE 0.051
- Neon Blue #4361EE ΔE 0.054
- Bright Blue #0165FC ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.061
- Soft Blue #6488EA ΔE 0.069
Use #3D77FC 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.