#3564C6
Closest named color: Mid Blue (#276AB3). oklch(52.5% 0.162 262.8), rgb(53, 100, 198).
Aa
White text reads best on this color (5.54:1).
About this color
#3564C6 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.162 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.037 away. White text reads best on it, at 5.54:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.78:1 |
| White text | 5.54:1 |
Values
| HEX | #3564C6 |
| RGB | rgb(53, 100, 198) |
| HSL | hsl(221, 58%, 49%) |
| OKLCH | oklch(52.5% 0.162 262.8) |
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 #3564C6 | 5.54:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #3564C6 | 3.78:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #3564C6 text on white | 5.54:1 | AA | Lc 77.3 | Fine for body text |
| #3564C6 text on black | 3.78:1 | AA large text | Lc -24.5 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A8C1F0
oklch(80.9% 0.072 262.9)
-
Step 400
400
#7AA0E9
oklch(70.8% 0.115 262.8)
-
Step 500
500
#5886E3
oklch(63.1% 0.149 263)
-
Step 600
600 (this color)
#3564C6
oklch(52.5% 0.162 262.8)
-
Step 700
700
#305BB5
oklch(49.1% 0.151 262.9)
-
Step 800
800
#284B92
oklch(42.7% 0.124 262.6)
-
Step 900
900
#253F75
oklch(37.7% 0.098 263.2)
-
Step 950
950
#162544
oklch(26.9% 0.061 263.4)
#3564C6 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) | #2B6FCA | 0.028 |
| Deuteranopia (no green cones) | #0062C4 | 0.029 |
| Tritanopia (no blue cones) | #007B8B | 0.128 |
| Achromatopsia (no color) | #686868 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3564C6
#3564C6
oklch(52.5% 0.162 262.8)
- #886300
#886300
oklch(52.4% 0.108 82.9)
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 #3564C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.037
- Royal Blue #4169E1 ΔE 0.045
- French Blue #436BAD ΔE 0.049
- Warm Blue #4B57DB ΔE 0.050
- Windows Blue #3778BF ΔE 0.058
- Iris #6258C4 ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.062
- Azul #1D5DEC ΔE 0.064
Use #3564C6 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.