#3656CA
Closest named color: Warm Blue (#4B57DB). oklch(50% 0.184 267.5), rgb(54, 86, 202).
Aa
White text reads best on this color (6.28:1).
About this color
#3656CA is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.184 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.037 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #3656CA |
| RGB | rgb(54, 86, 202) |
| HSL | hsl(227, 58%, 50%) |
| OKLCH | oklch(50% 0.184 267.5) |
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 #3656CA | 6.28:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #3656CA | 3.34:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #3656CA text on white | 6.28:1 | AA | Lc 80.8 | Fine for body text |
| #3656CA text on black | 3.34:1 | AA large text | Lc -21.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A7BFFB
oklch(80.8% 0.089 267.5)
-
Step 400
400
#7A9CF9
oklch(70.8% 0.142 267.5)
-
Step 500
500
#5980F6
oklch(63.2% 0.181 267.3)
-
Step 600
600
#4165E5
oklch(55.5% 0.198 267.5)
-
Step 700
700 (this color)
#3656CA
oklch(50% 0.184 267.5)
-
Step 800
800
#2B45A1
oklch(42.7% 0.152 267.5)
-
Step 900
900
#263B80
oklch(37.7% 0.119 267.6)
-
Step 950
950
#16234B
oklch(26.9% 0.076 267.6)
#3656CA 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) | #0067CE | 0.045 |
| Deuteranopia (no green cones) | #0059C8 | 0.030 |
| Tritanopia (no blue cones) | #007387 | 0.147 |
| Achromatopsia (no color) | #606060 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3656CA
#3656CA
oklch(50% 0.184 267.5)
- #7C5F00
#7C5F00
oklch(50.1% 0.102 87.8)
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 #3656CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.037
- Blue Blue #2242C7 ΔE 0.054
- Azul #1D5DEC ΔE 0.056
- Iris #6258C4 ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Neon Blue #4361EE ΔE 0.064
- Majorelle Blue #3F37C9 ΔE 0.064
Use #3656CA 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.