#346CF3
Closest named color: Cerulean Blue (#056EEE). oklch(57.4% 0.212 263.9), rgb(52, 108, 243).
Aa
Black text reads best on this color (4.58:1).
About this color
#346CF3 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.212 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.022 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.212) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #346CF3 |
| RGB | rgb(52, 108, 243) |
| HSL | hsl(222, 89%, 58%) |
| OKLCH | oklch(57.4% 0.212 263.9) |
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 #346CF3 | 4.57:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #346CF3 | 4.58:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #346CF3 text on white | 4.57:1 | AA | Lc 71.2 | Content text, not long reading |
| #346CF3 text on black | 4.58:1 | AA | Lc -30.5 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C7DAFD
oklch(88.5% 0.053 262.7)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500
#4A81FD
oklch(63.1% 0.194 263.8)
-
Step 600
600 (this color)
#346CF3
oklch(57.4% 0.212 263.9)
-
Step 700
700
#2254CE
oklch(49.2% 0.196 263.7)
-
Step 800
800
#1E45A6
oklch(42.6% 0.163 264)
-
Step 900
900
#1D3C84
oklch(37.8% 0.127 263.8)
-
Step 950
950
#11244D
oklch(27.1% 0.08 263.3)
#346CF3 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) | #007FF8 | 0.046 |
| Deuteranopia (no green cones) | #006DF0 | 0.022 |
| Tritanopia (no blue cones) | #008EA5 | 0.165 |
| Achromatopsia (no color) | #757575 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #346CF3
#346CF3
oklch(57.4% 0.212 263.9)
- #997100
#997100
oklch(57.3% 0.118 83.9)
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 #346CF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.022
- Neon Blue #4361EE ΔE 0.027
- Royal Blue #4169E1 ΔE 0.029
- Bright Blue #0165FC ΔE 0.033
- Clear Blue #247AFD ΔE 0.035
- Azul #1D5DEC ΔE 0.043
- Warm Blue #4B57DB ΔE 0.060
- Electric Blue #0652FF ΔE 0.068
Use #346CF3 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.