#3A4CC3
Closest named color: Blue Blue (#2242C7). oklch(47.7% 0.186 270.9), rgb(58, 76, 195).
Aa
White text reads best on this color (6.99:1).
About this color
#3A4CC3 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.037 away. White text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #3A4CC3 |
| RGB | rgb(58, 76, 195) |
| HSL | hsl(232, 54%, 50%) |
| OKLCH | oklch(47.7% 0.186 270.9) |
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 #3A4CC3 | 6.99:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #3A4CC3 | 3.00:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #3A4CC3 text on white | 6.99:1 | AA | Lc 83.7 | Fine for body text |
| #3A4CC3 text on black | 3.00:1 | AA large text | Lc -18.3 | 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
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ABBEFB
oklch(80.9% 0.089 270.9)
-
Step 400
400
#809AFA
oklch(70.8% 0.144 270.9)
-
Step 500
500
#627DF7
oklch(63.1% 0.184 270.9)
-
Step 600
600
#4B62E6
oklch(55.5% 0.2 270.9)
-
Step 700
700 (this color)
#3A4CC3
oklch(47.7% 0.186 270.9)
-
Step 800
800
#3243A1
oklch(42.7% 0.153 270.7)
-
Step 900
900
#2B3A80
oklch(37.8% 0.119 270.6)
-
Step 950
950
#19224B
oklch(26.9% 0.077 271.1)
#3A4CC3 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) | #0060C7 | 0.053 |
| Deuteranopia (no green cones) | #0053C1 | 0.038 |
| Tritanopia (no blue cones) | #006A80 | 0.149 |
| Achromatopsia (no color) | #595959 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A4CC3
#3A4CC3
oklch(47.7% 0.186 270.9)
- #715A00
#715A00
oklch(47.7% 0.098 91.4)
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 #3A4CC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.037
- Majorelle Blue #3F37C9 ΔE 0.043
- Blue With A Hint Of Purple #533CC6 ΔE 0.045
- Blurple #5539CC ΔE 0.051
- Warm Blue #4B57DB ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.061
- Iris #6258C4 ΔE 0.067
- Sapphire #2138AB ΔE 0.071
Use #3A4CC3 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.