#4069D4
Closest named color: Royal Blue (#4169E1). oklch(55% 0.171 265.4), rgb(64, 105, 212).
Aa
White text reads best on this color (5.01:1).
About this color
#4069D4 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.171 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.020 away. White text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #4069D4 |
| RGB | rgb(64, 105, 212) |
| HSL | hsl(223, 63%, 54%) |
| OKLCH | oklch(55% 0.171 265.4) |
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 #4069D4 | 5.01:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #4069D4 | 4.18:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #4069D4 text on white | 5.01:1 | AA | Lc 74.3 | Content text, not long reading |
| #4069D4 text on black | 4.18:1 | AA large text | Lc -27.4 | 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
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F6
oklch(88.5% 0.042 266.3)
-
Step 300
300
#A9C0F3
oklch(80.8% 0.077 265.8)
-
Step 400
400
#7B9EEE
oklch(70.7% 0.124 265.4)
-
Step 500
500
#5B84E8
oklch(63.2% 0.157 265.4)
-
Step 600
600 (this color)
#4069D4
oklch(55% 0.171 265.4)
-
Step 700
700
#3458BA
oklch(49% 0.16 265.6)
-
Step 800
800
#2B4996
oklch(42.7% 0.131 265.2)
-
Step 900
900
#273E78
oklch(37.8% 0.103 265.5)
-
Step 950
950
#172546
oklch(27.1% 0.064 265.1)
#4069D4 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) | #2876D8 | 0.035 |
| Deuteranopia (no green cones) | #0069D2 | 0.035 |
| Tritanopia (no blue cones) | #008294 | 0.138 |
| Achromatopsia (no color) | #6F6F6F | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4069D4
#4069D4
oklch(55% 0.171 265.4)
- #8F6B00
#8F6B00
oklch(54.9% 0.112 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 #4069D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.020
- Warm Blue #4B57DB ΔE 0.045
- Neon Blue #4361EE ΔE 0.045
- Cerulean Blue #056EEE ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.050
- Windows Blue #3778BF ΔE 0.055
- Azul #1D5DEC ΔE 0.057
- Mid Blue #276AB3 ΔE 0.058
Use #4069D4 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.