#445DE5
Closest named color: Neon Blue (#4361EE). oklch(54.2% 0.207 270), rgb(68, 93, 229).
Aa
White text reads best on this color (5.32:1).
About this color
#445DE5 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.207 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.016 away. White text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #445DE5 |
| RGB | rgb(68, 93, 229) |
| HSL | hsl(231, 76%, 58%) |
| OKLCH | oklch(54.2% 0.207 270) |
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 #445DE5 | 5.32:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #445DE5 | 3.94:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #445DE5 text on white | 5.32:1 | AA | Lc 75.9 | Fine for body text |
| #445DE5 text on black | 3.94:1 | AA large text | Lc -25.8 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#A9BEFE
oklch(80.9% 0.094 270.2)
-
Step 400
400
#7D9AFD
oklch(70.8% 0.149 270)
-
Step 500
500
#5E7DFB
oklch(63.2% 0.19 269.8)
-
Step 600
600 (this color)
#445DE5
oklch(54.2% 0.207 270)
-
Step 700
700
#3A50CC
oklch(49.2% 0.193 270)
-
Step 800
800
#2F42A4
oklch(42.6% 0.159 269.9)
-
Step 900
900
#293982
oklch(37.6% 0.124 270.1)
-
Step 950
950
#18224C
oklch(26.9% 0.079 270.3)
#445DE5 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) | #0073E9 | 0.057 |
| Deuteranopia (no green cones) | #0064E2 | 0.040 |
| Tritanopia (no blue cones) | #007F98 | 0.166 |
| Achromatopsia (no color) | #6B6B6B | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445DE5
#445DE5
oklch(54.2% 0.207 270)
- #886B00
#886B00
oklch(54.1% 0.111 89.9)
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 #445DE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.016
- Warm Blue #4B57DB ΔE 0.021
- Royal Blue #4169E1 ΔE 0.029
- Azul #1D5DEC ΔE 0.033
- Cerulean Blue #056EEE ΔE 0.049
- Bright Blue #0165FC ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.062
Use #445DE5 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.