#3C48B5
Closest named color: Blue Blue (#2242C7). oklch(45.9% 0.171 272.9), rgb(60, 72, 181).
Aa
White text reads best on this color (7.53:1).
About this color
#3C48B5 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.171 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.043 away. White text reads best on it, at 7.53:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.78:1 |
| White text | 7.53:1 |
Values
| HEX | #3C48B5 |
| RGB | rgb(60, 72, 181) |
| HSL | hsl(234, 50%, 47%) |
| OKLCH | oklch(45.9% 0.171 272.9) |
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 #3C48B5 | 7.53:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #3C48B5 | 2.78:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #3C48B5 text on white | 7.53:1 | AAA | Lc 85.7 | Fine for body text |
| #3C48B5 text on black | 2.78:1 | Fails | Lc -16.3 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F8
oklch(88.5% 0.045 273)
-
Step 300
300
#AEBEF7
oklch(80.9% 0.083 272.3)
-
Step 400
400
#859AF3
oklch(70.7% 0.132 272.5)
-
Step 500
500
#697EEE
oklch(63.1% 0.168 272.7)
-
Step 600
600
#5364DD
oklch(55.7% 0.184 272.9)
-
Step 700
700 (this color)
#3C48B5
oklch(45.9% 0.171 272.9)
-
Step 800
800
#37449B
oklch(42.7% 0.142 272.5)
-
Step 900
900
#2F3A7B
oklch(37.6% 0.11 272.8)
-
Step 950
950
#1C2348
oklch(27.1% 0.069 272.9)
#3C48B5 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) | #005AB9 | 0.053 |
| Deuteranopia (no green cones) | #004FB3 | 0.043 |
| Tritanopia (no blue cones) | #006377 | 0.141 |
| Achromatopsia (no color) | #545454 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C48B5
#3C48B5
oklch(45.9% 0.171 272.9)
- #6A5600
#6A5600
oklch(46% 0.094 93.2)
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 #3C48B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.043
- Majorelle Blue #3F37C9 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Blueberry #464196 ΔE 0.053
- Sapphire #2138AB ΔE 0.056
- Blurple #5539CC ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.064
- Cobalt #1E488F ΔE 0.071
Use #3C48B5 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.