#3149DC
Closest named color: Blue Blue (#2242C7). oklch(49% 0.223 268.7), rgb(49, 73, 220).
Aa
White text reads best on this color (6.73:1).
About this color
#3149DC is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.223 and its hue 269°. 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 6.73:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.223) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #3149DC |
| RGB | rgb(49, 73, 220) |
| HSL | hsl(232, 71%, 53%) |
| OKLCH | oklch(49% 0.223 268.7) |
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 #3149DC | 6.73:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #3149DC | 3.11:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #3149DC text on white | 6.73:1 | AA | Lc 82.4 | Fine for body text |
| #3149DC text on black | 3.11:1 | AA large text | Lc -19.5 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600
#3E5BFD
oklch(55.6% 0.241 268.9)
-
Step 700
700 (this color)
#3149DC
oklch(49% 0.223 268.7)
-
Step 800
800
#283EB2
oklch(42.8% 0.185 268.6)
-
Step 900
900
#23378C
oklch(37.7% 0.143 268.5)
-
Step 950
950
#152152
oklch(27% 0.091 269.1)
#3149DC 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) | #0064E1 | 0.060 |
| Deuteranopia (no green cones) | #0053D9 | 0.030 |
| Tritanopia (no blue cones) | #00718C | 0.174 |
| Achromatopsia (no color) | #5C5C5C | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3149DC
#3149DC
oklch(49% 0.223 268.7)
- #775C00
#775C00
oklch(48.9% 0.1 88.7)
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 #3149DC, closest first.
No curated palette has a color within ΔE 0.04 of #3149DC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.047
- Majorelle Blue #3F37C9 ΔE 0.048
- Azul #1D5DEC ΔE 0.049
- Blurple #5539CC ΔE 0.059
- Vibrant Blue #0339F8 ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Electric Blue #0652FF ΔE 0.060
Use #3149DC 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.