#3D56BB
Closest named color: Warm Blue (#4B57DB). oklch(49.2% 0.161 269.2), rgb(61, 86, 187).
Aa
White text reads best on this color (6.46:1).
About this color
#3D56BB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.161 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.053 away. White text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #3D56BB |
| RGB | rgb(61, 86, 187) |
| HSL | hsl(228, 51%, 49%) |
| OKLCH | oklch(49.2% 0.161 269.2) |
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 #3D56BB | 6.46:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #3D56BB | 3.24:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #3D56BB text on white | 6.46:1 | AA | Lc 81.7 | Fine for body text |
| #3D56BB text on black | 3.24:1 | AA large text | Lc -20.2 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ACBFF4
oklch(80.9% 0.078 269.3)
-
Step 400
400
#819CEF
oklch(70.7% 0.126 269.3)
-
Step 500
500
#6381E9
oklch(63.1% 0.16 269.3)
-
Step 600
600
#4B68D7
oklch(55.5% 0.173 269.1)
-
Step 700
700 (this color)
#3D56BB
oklch(49.2% 0.161 269.2)
-
Step 800
800
#324797
oklch(42.7% 0.133 269)
-
Step 900
900
#2C3C78
oklch(37.6% 0.104 269.6)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#3D56BB 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) | #0B64BF | 0.044 |
| Deuteranopia (no green cones) | #0059B9 | 0.039 |
| Tritanopia (no blue cones) | #006E80 | 0.132 |
| Achromatopsia (no color) | #5E5E5E | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D56BB
#3D56BB
oklch(49.2% 0.161 269.2)
- #785D00
#785D00
oklch(49.2% 0.101 88.9)
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 #3D56BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Mid Blue #276AB3 ΔE 0.057
- Blue Blue #2242C7 ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- French Blue #436BAD ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.069
- Denim Blue #3B5B92 ΔE 0.069
Use #3D56BB 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.