#446DD3
Closest named color: Royal Blue (#4169E1). oklch(55.9% 0.164 265.1), rgb(68, 109, 211).
Aa
White text reads best on this color (4.80:1).
About this color
#446DD3 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.164 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.025 away. White text reads best on it, at 4.80:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #446DD3 |
| RGB | rgb(68, 109, 211) |
| HSL | hsl(223, 62%, 55%) |
| OKLCH | oklch(55.9% 0.164 265.1) |
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 #446DD3 | 4.80:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #446DD3 | 4.37:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #446DD3 text on white | 4.80:1 | AA | Lc 73.0 | Content text, not long reading |
| #446DD3 text on black | 4.37:1 | AA large text | Lc -28.7 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F5
oklch(88.4% 0.041 265.7)
-
Step 300
300
#AAC0F1
oklch(80.8% 0.074 265.9)
-
Step 400
400
#7C9FEA
oklch(70.7% 0.117 264.5)
-
Step 500
500
#5C85E4
oklch(63.2% 0.15 264.9)
-
Step 600
600 (this color)
#446DD3
oklch(55.9% 0.164 265.1)
-
Step 700
700
#355AB6
oklch(49.2% 0.152 264.9)
-
Step 800
800
#2C4A93
oklch(42.8% 0.125 264.8)
-
Step 900
900
#273E75
oklch(37.6% 0.098 265)
-
Step 950
950
#172545
oklch(27% 0.063 264.7)
#446DD3 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) | #3679D7 | 0.031 |
| Deuteranopia (no green cones) | #0E6CD1 | 0.036 |
| Tritanopia (no blue cones) | #008596 | 0.134 |
| Achromatopsia (no color) | #727272 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #446DD3
#446DD3
oklch(55.9% 0.164 265.1)
- #936E00
#936E00
oklch(56% 0.115 85.2)
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 #446DD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.025
- Windows Blue #3778BF ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.052
- Neon Blue #4361EE ΔE 0.052
- Warm Blue #4B57DB ΔE 0.055
- Mid Blue #276AB3 ΔE 0.058
- French Blue #436BAD ΔE 0.059
Use #446DD3 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.