#3B46B5
Closest named color: Blue Blue (#2242C7). oklch(45.5% 0.174 273), rgb(59, 70, 181).
Aa
White text reads best on this color (7.69:1).
About this color
#3B46B5 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.174 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.041 away. White text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #3B46B5 |
| RGB | rgb(59, 70, 181) |
| HSL | hsl(235, 51%, 47%) |
| OKLCH | oklch(45.5% 0.174 273) |
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 #3B46B5 | 7.69:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #3B46B5 | 2.72:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #3B46B5 text on white | 7.69:1 | AAA | Lc 86.2 | Fine for body text |
| #3B46B5 text on black | 2.72:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD7FF
oklch(88.4% 0.057 273.1)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8298FF
oklch(70.8% 0.152 272.8)
-
Step 500
500
#6579FF
oklch(63.1% 0.198 273)
-
Step 600
600
#4F5BF4
oklch(55.7% 0.226 273.1)
-
Step 700
700
#4049D5
oklch(49.1% 0.211 272.8)
-
Step 800
800 (this color)
#3B46B5
oklch(45.5% 0.174 273)
-
Step 900
900
#2D3688
oklch(37.7% 0.136 273.2)
-
Step 950
950
#1A2150
oklch(27.2% 0.086 272.9)
#3B46B5 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) | #0059B9 | 0.054 |
| Deuteranopia (no green cones) | #004EB3 | 0.043 |
| Tritanopia (no blue cones) | #006277 | 0.142 |
| Achromatopsia (no color) | #535353 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B46B5
#3B46B5
oklch(45.5% 0.174 273)
- #695500
#695500
oklch(45.6% 0.093 93)
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 #3B46B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.041
- Majorelle Blue #3F37C9 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Sapphire #2138AB ΔE 0.052
- Blueberry #464196 ΔE 0.053
- Blurple #5539CC ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.066
- Cobalt #1E488F ΔE 0.071
Use #3B46B5 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.