#445ED9
Closest named color: Warm Blue (#4B57DB). oklch(53.4% 0.19 269.8), rgb(68, 94, 217).
Aa
White text reads best on this color (5.45:1).
About this color
#445ED9 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.190 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.017 away. White text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #445ED9 |
| RGB | rgb(68, 94, 217) |
| HSL | hsl(230, 66%, 56%) |
| OKLCH | oklch(53.4% 0.19 269.8) |
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 #445ED9 | 5.45:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #445ED9 | 3.84:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #445ED9 text on white | 5.45:1 | AA | Lc 76.8 | Fine for body text |
| #445ED9 text on black | 3.84:1 | AA large text | Lc -25.0 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD8FA
oklch(88.4% 0.049 270)
-
Step 300
300
#ABBFF9
oklch(81% 0.085 269.7)
-
Step 400
400
#7F9BF6
oklch(70.7% 0.137 269.7)
-
Step 500
500
#617FF2
oklch(63.1% 0.175 269.8)
-
Step 600
600 (this color)
#445ED9
oklch(53.4% 0.19 269.8)
-
Step 700
700
#3B53C3
oklch(49.1% 0.177 269.6)
-
Step 800
800
#31459E
oklch(42.8% 0.146 269.6)
-
Step 900
900
#2A3B7D
oklch(37.7% 0.114 269.4)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#445ED9 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) | #0070DD | 0.052 |
| Deuteranopia (no green cones) | #0063D7 | 0.041 |
| Tritanopia (no blue cones) | #007C92 | 0.155 |
| Achromatopsia (no color) | #696969 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445ED9
#445ED9
oklch(53.4% 0.19 269.8)
- #866900
#866900
oklch(53.4% 0.109 89.6)
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 #445ED9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.017
- Royal Blue #4169E1 ΔE 0.028
- Neon Blue #4361EE ΔE 0.033
- Azul #1D5DEC ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.047
- Iris #6258C4 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.054
Use #445ED9 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.