#306EFE
Closest named color: Clear Blue (#247AFD). oklch(58.6% 0.224 263.4), rgb(48, 110, 254).
Aa
Black text reads best on this color (4.78:1).
About this color
#306EFE is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.224 and its hue 263°. 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 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.224) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #306EFE |
| RGB | rgb(48, 110, 254) |
| HSL | hsl(222, 99%, 59%) |
| OKLCH | oklch(58.6% 0.224 263.4) |
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 #306EFE | 4.38:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #306EFE | 4.78:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #306EFE text on white | 4.38:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #306EFE text on black | 4.78:1 | AA | Lc -31.9 | 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
#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
#A1C1FF
oklch(81% 0.095 263.3)
-
Step 400
400
#6E9DFF
oklch(70.6% 0.153 263.6)
-
Step 500
500
#4781FF
oklch(63.2% 0.197 263.3)
-
Step 600
600 (this color)
#306EFE
oklch(58.6% 0.224 263.4)
-
Step 700
700
#1B52D4
oklch(49.1% 0.208 263.3)
-
Step 800
800
#1844AB
oklch(42.7% 0.172 263.4)
-
Step 900
900
#193B88
oklch(37.7% 0.135 263.4)
-
Step 950
950
#0F234F
oklch(26.9% 0.085 263.4)
#306EFE 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) | #0082FF | 0.047 |
| Deuteranopia (no green cones) | #006FFB | 0.019 |
| Tritanopia (no blue cones) | #0092AB | 0.173 |
| Achromatopsia (no color) | #787878 | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306EFE
#306EFE
oklch(58.6% 0.224 263.4)
- #9E7400
#9E7400
oklch(58.5% 0.12 83.2)
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 #306EFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.028
- Cerulean Blue #056EEE ΔE 0.031
- Bright Blue #0165FC ΔE 0.032
- Neon Blue #4361EE ΔE 0.038
- Royal Blue #4169E1 ΔE 0.045
- Azul #1D5DEC ΔE 0.052
- Electric Blue #0652FF ΔE 0.069
- Cornflower #6A79F7 ΔE 0.069
Use #306EFE 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.