#0465C9
Closest named color: Mid Blue (#276AB3). oklch(51.8% 0.174 255.9), rgb(4, 101, 201).
Aa
White text reads best on this color (5.66:1).
About this color
#0465C9 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.174 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.041 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.71:1 |
| White text | 5.66:1 |
Values
| HEX | #0465C9 |
| RGB | rgb(4, 101, 201) |
| HSL | hsl(210, 96%, 40%) |
| OKLCH | oklch(51.8% 0.174 255.9) |
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 #0465C9 | 5.66:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #0465C9 | 3.71:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #0465C9 text on white | 5.66:1 | AA | Lc 77.5 | Fine for body text |
| #0465C9 text on black | 3.71:1 | AA large text | Lc -24.2 | 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 700.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9DC3F7
oklch(80.8% 0.085 256.3)
-
Step 400
400
#65A2F3
oklch(70.6% 0.135 256)
-
Step 500
500
#3789EF
oklch(63.2% 0.172 255.8)
-
Step 600
600
#0470DD
oklch(55.7% 0.187 255.8)
-
Step 700
700 (this color)
#0465C9
oklch(51.8% 0.174 255.9)
-
Step 800
800
#014C9B
oklch(42.6% 0.144 255.9)
-
Step 900
900
#10407B
oklch(37.6% 0.112 256.2)
-
Step 950
950
#0B2648
oklch(26.9% 0.071 255.8)
#0465C9 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) | #246FCD | 0.032 |
| Deuteranopia (no green cones) | #005FC7 | 0.016 |
| Tritanopia (no blue cones) | #007E8D | 0.131 |
| Achromatopsia (no color) | #676767 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0465C9
#0465C9
oklch(51.8% 0.174 255.9)
- #8C5E00
#8C5E00
oklch(51.8% 0.109 75.7)
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 #0465C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.041
- Royal Blue #4169E1 ΔE 0.055
- Azul #1D5DEC ΔE 0.059
- Cerulean Blue #056EEE ΔE 0.060
- French Blue #436BAD ΔE 0.062
- Warm Blue #4B57DB ΔE 0.063
- Windows Blue #3778BF ΔE 0.066
- Neon Blue #4361EE ΔE 0.071
Use #0465C9 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.