#3B52B5
Closest named color: Blue Blue (#2242C7). oklch(47.8% 0.159 269.6), rgb(59, 82, 181).
Aa
White text reads best on this color (6.86:1).
About this color
#3B52B5 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.159 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.057 away. White text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #3B52B5 |
| RGB | rgb(59, 82, 181) |
| HSL | hsl(229, 51%, 47%) |
| OKLCH | oklch(47.8% 0.159 269.6) |
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 #3B52B5 | 6.86:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #3B52B5 | 3.06:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #3B52B5 text on white | 6.86:1 | AA | Lc 83.3 | Fine for body text |
| #3B52B5 text on black | 3.06:1 | AA large text | Lc -18.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F6
oklch(88.6% 0.042 269)
-
Step 300
300
#ADBFF3
oklch(80.9% 0.076 269.8)
-
Step 400
400
#829CED
oklch(70.6% 0.123 269.6)
-
Step 500
500
#6481E8
oklch(63.1% 0.158 269.6)
-
Step 600
600
#4D68D6
oklch(55.6% 0.171 269.7)
-
Step 700
700 (this color)
#3B52B5
oklch(47.8% 0.159 269.6)
-
Step 800
800
#334796
oklch(42.7% 0.132 269.4)
-
Step 900
900
#2C3C77
oklch(37.6% 0.102 269.5)
-
Step 950
950
#1A2446
oklch(27.1% 0.065 269.4)
#3B52B5 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) | #0360B8 | 0.045 |
| Deuteranopia (no green cones) | #0055B3 | 0.038 |
| Tritanopia (no blue cones) | #006A7B | 0.132 |
| Achromatopsia (no color) | #5A5A5A | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B52B5
#3B52B5
oklch(47.8% 0.159 269.6)
- #735900
#735900
oklch(47.7% 0.098 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 #3B52B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Iris #6258C4 ΔE 0.063
- Blueberry #464196 ΔE 0.063
- Mid Blue #276AB3 ΔE 0.064
- Warm Blue #4B57DB ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.065
- Majorelle Blue #3F37C9 ΔE 0.065
Use #3B52B5 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.