#3596EA
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.7% 0.153 248.9), rgb(53, 150, 234).
Aa
Black text reads best on this color (6.70:1).
About this color
#3596EA is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.153 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.016 away. Black text reads best on it, at 6.70:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.70:1 |
| White text | 3.13:1 |
Values
| HEX | #3596EA |
| RGB | rgb(53, 150, 234) |
| HSL | hsl(208, 81%, 56%) |
| OKLCH | oklch(65.7% 0.153 248.9) |
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 #3596EA | 3.13:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #3596EA | 6.70:1 | AA | Lc 46.1 | Large or bold text, headings |
| #3596EA text on white | 3.13:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #3596EA text on black | 6.70:1 | AA | Lc -43.8 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF8
oklch(93.5% 0.022 250.2)
-
Step 200
200
#C5DCF4
oklch(88.5% 0.041 249.4)
-
Step 300
300
#9BC5F0
oklch(80.9% 0.076 249.4)
-
Step 400
400
#61A6E8
oklch(70.7% 0.12 248.9)
-
Step 500
500 (this color)
#3596EA
oklch(65.7% 0.153 248.9)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#054474
oklch(37.8% 0.1 248.7)
-
Step 950
950
#082844
oklch(27% 0.064 249)
#3596EA 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) | #6F9BED | 0.054 |
| Deuteranopia (no green cones) | #548AE8 | 0.036 |
| Tritanopia (no blue cones) | #00AAB5 | 0.112 |
| Achromatopsia (no color) | #919191 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3596EA
#3596EA
oklch(65.7% 0.153 248.9)
- #C97E00
#C97E00
oklch(65.7% 0.144 68.7)
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 #3596EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.016
- Dark Sky Blue #448EE4 ΔE 0.022
- Cornflower Blue #6495ED ΔE 0.038
- Dodger Blue #1E90FF ΔE 0.039
- Soft Blue #6488EA ΔE 0.049
- Water Blue #0E87CC ΔE 0.062
- Faded Blue #658CBB ΔE 0.075
- Cool Blue #4984B8 ΔE 0.081
Use #3596EA 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.