#346ECE
Closest named color: Royal Blue (#4169E1). oklch(55.1% 0.161 260), rgb(52, 110, 206).
Aa
White text reads best on this color (4.92:1).
About this color
#346ECE is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.161 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.035 away. White text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #346ECE |
| RGB | rgb(52, 110, 206) |
| HSL | hsl(217, 61%, 51%) |
| OKLCH | oklch(55.1% 0.161 260) |
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 #346ECE | 4.92:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #346ECE | 4.26:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #346ECE text on white | 4.92:1 | AA | Lc 73.7 | Content text, not long reading |
| #346ECE text on black | 4.26:1 | AA large text | Lc -28.0 | Dividers and decoration only |
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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2F0
oklch(80.9% 0.072 260.3)
-
Step 400
400
#75A1E9
oklch(70.7% 0.117 259.9)
-
Step 500
500
#5188E2
oklch(63.2% 0.148 259.8)
-
Step 600
600 (this color)
#346ECE
oklch(55.1% 0.161 260)
-
Step 700
700
#285DB4
oklch(49.2% 0.149 259.9)
-
Step 800
800
#224C91
oklch(42.6% 0.123 259.9)
-
Step 900
900
#214074
oklch(37.7% 0.097 260.1)
-
Step 950
950
#142644
oklch(27% 0.061 260.1)
#346ECE 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) | #3A78D2 | 0.028 |
| Deuteranopia (no green cones) | #126ACC | 0.024 |
| Tritanopia (no blue cones) | #008594 | 0.126 |
| Achromatopsia (no color) | #707070 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #346ECE
#346ECE
oklch(55.1% 0.161 260)
- #946900
#946900
oklch(55.1% 0.114 80.3)
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 #346ECE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.035
- Windows Blue #3778BF ΔE 0.039
- Mid Blue #276AB3 ΔE 0.045
- French Blue #436BAD ΔE 0.052
- Cerulean Blue #056EEE ΔE 0.052
- Neon Blue #4361EE ΔE 0.061
- Warm Blue #4B57DB ΔE 0.062
- Flat Blue #3C73A8 ΔE 0.064
Use #346ECE 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.