#3D56DC
Closest named color: Warm Blue (#4B57DB). oklch(51.8% 0.205 269.6), rgb(61, 86, 220).
Aa
White text reads best on this color (5.89:1).
About this color
#3D56DC is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.205 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.017 away. White text reads best on it, at 5.89:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #3D56DC |
| RGB | rgb(61, 86, 220) |
| HSL | hsl(231, 69%, 55%) |
| OKLCH | oklch(51.8% 0.205 269.6) |
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 #3D56DC | 5.89:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #3D56DC | 3.56:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #3D56DC text on white | 5.89:1 | AA | Lc 78.9 | Fine for body text |
| #3D56DC text on black | 3.56:1 | AA large text | Lc -22.9 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7B9AFF
oklch(70.8% 0.152 269.4)
-
Step 500
500
#5C7CFF
oklch(63.1% 0.197 269.6)
-
Step 600
600
#445FF2
oklch(55.6% 0.221 269.6)
-
Step 700
700 (this color)
#3D56DC
oklch(51.8% 0.205 269.6)
-
Step 800
800
#2D40AA
oklch(42.6% 0.17 269.7)
-
Step 900
900
#273887
oklch(37.7% 0.133 269.7)
-
Step 950
950
#17224F
oklch(27.1% 0.084 269.7)
#3D56DC 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) | #006CE0 | 0.055 |
| Deuteranopia (no green cones) | #005DD9 | 0.036 |
| Tritanopia (no blue cones) | #007891 | 0.163 |
| Achromatopsia (no color) | #646464 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D56DC
#3D56DC
oklch(51.8% 0.205 269.6)
- #806400
#806400
oklch(51.7% 0.106 89.4)
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 #3D56DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.017
- Azul #1D5DEC ΔE 0.035
- Neon Blue #4361EE ΔE 0.039
- Royal Blue #4169E1 ΔE 0.046
- Iris #6258C4 ΔE 0.062
- Bright Blue #0165FC ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.063
- Electric Blue #0652FF ΔE 0.063
Use #3D56DC 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.