#3C47B0
Closest named color: Blueberry (#464196). oklch(45.3% 0.166 273.3), rgb(60, 71, 176).
Aa
White text reads best on this color (7.71:1).
About this color
#3C47B0 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.166 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.045 away. White text reads best on it, at 7.71:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #3C47B0 |
| RGB | rgb(60, 71, 176) |
| HSL | hsl(234, 49%, 46%) |
| OKLCH | oklch(45.3% 0.166 273.3) |
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 #3C47B0 | 7.71:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #3C47B0 | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #3C47B0 text on white | 7.71:1 | AAA | Lc 86.4 | Fine for body text |
| #3C47B0 text on black | 2.72:1 | Fails | Lc -15.7 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD7FE
oklch(88.4% 0.055 273.9)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8297FF
oklch(70.6% 0.154 273.2)
-
Step 500
500
#6679FF
oklch(63.1% 0.198 273.3)
-
Step 600
600
#505DEE
oklch(55.6% 0.215 273.2)
-
Step 700
700
#424BCF
oklch(49% 0.2 273.4)
-
Step 800
800 (this color)
#3C47B0
oklch(45.3% 0.166 273.3)
-
Step 900
900
#2E3785
oklch(37.7% 0.13 273.5)
-
Step 950
950
#1A214E
oklch(27% 0.083 273)
#3C47B0 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) | #0058B3 | 0.053 |
| Deuteranopia (no green cones) | #004EAE | 0.044 |
| Tritanopia (no blue cones) | #006174 | 0.138 |
| Achromatopsia (no color) | #535353 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C47B0
#3C47B0
oklch(45.3% 0.166 273.3)
- #685400
#685400
oklch(45.3% 0.093 92.9)
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 #3C47B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.045
- Blue Blue #2242C7 ΔE 0.048
- Majorelle Blue #3F37C9 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Sapphire #2138AB ΔE 0.052
- Blurple #5539CC ΔE 0.061
- Cobalt #1E488F ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
Use #3C47B0 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.