#3586CA
Closest named color: Water Blue (#0E87CC). oklch(60.3% 0.13 247.5), rgb(53, 134, 202).
Aa
Black text reads best on this color (5.41:1).
About this color
#3586CA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.130 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.016 away. Black text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #3586CA |
| RGB | rgb(53, 134, 202) |
| HSL | hsl(207, 58%, 50%) |
| OKLCH | oklch(60.3% 0.13 247.5) |
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 #3586CA | 3.87:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #3586CA | 5.41:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #3586CA text on white | 3.87:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #3586CA text on black | 5.41:1 | AA | Lc -35.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#A0C5E8
oklch(80.9% 0.064 247.2)
-
Step 400
400
#6BA6DD
oklch(70.7% 0.102 247.8)
-
Step 500
500 (this color)
#3586CA
oklch(60.3% 0.13 247.5)
-
Step 600
600
#1378C1
oklch(55.7% 0.141 247.4)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#095287
oklch(42.7% 0.109 247.6)
-
Step 900
900
#14446C
oklch(37.6% 0.085 247.9)
-
Step 950
950
#0E283F
oklch(26.9% 0.054 248)
#3586CA 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) | #6789CD | 0.049 |
| Deuteranopia (no green cones) | #527BC9 | 0.036 |
| Tritanopia (no blue cones) | #00969F | 0.094 |
| Achromatopsia (no color) | #818181 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3586CA
#3586CA
oklch(60.3% 0.13 247.5)
- #B36F0B
#B36F0B
oklch(60.2% 0.13 67.3)
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 #3586CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.016
- Cool Blue #4984B8 ΔE 0.029
- Steel Blue #4682B4 ΔE 0.034
- Windows Blue #3778BF ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.045
- Blue NCS #118AB2 ΔE 0.046
- Off Blue #5684AE ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.053
Use #3586CA 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.