#246DDD
Closest named color: Royal Blue (#4169E1). oklch(55.5% 0.186 259.3), rgb(36, 109, 221).
Aa
White text reads best on this color (4.87:1).
About this color
#246DDD is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.186 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.024 away. White text reads best on it, at 4.87:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #246DDD |
| RGB | rgb(36, 109, 221) |
| HSL | hsl(216, 73%, 50%) |
| OKLCH | oklch(55.5% 0.186 259.3) |
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 #246DDD | 4.87:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #246DDD | 4.30:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #246DDD text on white | 4.87:1 | AA | Lc 73.2 | Content text, not long reading |
| #246DDD text on black | 4.30:1 | AA large text | Lc -28.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAF8
oklch(88.4% 0.046 259.5)
-
Step 300
300
#A1C2F7
oklch(80.9% 0.084 259.8)
-
Step 400
400
#6DA1F3
oklch(70.8% 0.133 259.2)
-
Step 500
500
#4586EF
oklch(63% 0.171 259.6)
-
Step 600
600 (this color)
#246DDD
oklch(55.5% 0.186 259.3)
-
Step 700
700
#175BC0
oklch(49.2% 0.172 259.2)
-
Step 800
800
#164B9B
oklch(42.8% 0.142 259.1)
-
Step 900
900
#193F7B
oklch(37.6% 0.111 259.3)
-
Step 950
950
#102648
oklch(27.1% 0.069 258.9)
#246DDD 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) | #217AE1 | 0.034 |
| Deuteranopia (no green cones) | #0069DB | 0.018 |
| Tritanopia (no blue cones) | #00889B | 0.141 |
| Achromatopsia (no color) | #717171 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #246DDD
#246DDD
oklch(55.5% 0.186 259.3)
- #966A00
#966A00
oklch(55.5% 0.115 79.9)
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 #246DDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.024
- Cerulean Blue #056EEE ΔE 0.027
- Neon Blue #4361EE ΔE 0.044
- Azul #1D5DEC ΔE 0.046
- Bright Blue #0165FC ΔE 0.053
- Clear Blue #247AFD ΔE 0.057
- Warm Blue #4B57DB ΔE 0.057
- Windows Blue #3778BF ΔE 0.060
Use #246DDD 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.