#4747A2
Closest named color: Blueberry (#464196). oklch(45% 0.143 278.9), rgb(71, 71, 162).
Aa
White text reads best on this color (7.80:1).
About this color
#4747A2 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.143 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.024 away. White text reads best on it, at 7.80:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #4747A2 |
| RGB | rgb(71, 71, 162) |
| HSL | hsl(240, 39%, 46%) |
| OKLCH | oklch(45% 0.143 278.9) |
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 #4747A2 | 7.80:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #4747A2 | 2.69:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #4747A2 text on white | 7.80:1 | AAA | Lc 86.8 | Fine for body text |
| #4747A2 text on black | 2.69:1 | Fails | Lc -15.3 | 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 800.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F8
oklch(88.6% 0.046 278.6)
-
Step 300
300
#B4BCF7
oklch(81% 0.084 278.4)
-
Step 400
400
#8F96F3
oklch(70.6% 0.135 279.1)
-
Step 500
500
#7679EE
oklch(63.1% 0.172 279.1)
-
Step 600
600
#605FDC
oklch(55.5% 0.186 278.8)
-
Step 700
700
#504DBF
oklch(49% 0.174 279)
-
Step 800
800 (this color)
#4747A2
oklch(45% 0.143 278.9)
-
Step 900
900
#37387B
oklch(37.8% 0.111 279)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#4747A2 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) | #0656A5 | 0.061 |
| Deuteranopia (no green cones) | #004EA0 | 0.060 |
| Tritanopia (no blue cones) | #195C6D | 0.125 |
| Achromatopsia (no color) | #525252 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4747A2
#4747A2
oklch(45% 0.143 278.9)
- #625500
#625500
oklch(44.9% 0.093 99)
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 #4747A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.024
- Dark Slate Blue #483D8B ΔE 0.043
- Twilight #4E518B ΔE 0.051
- Cobalt #1E488F ΔE 0.059
- Dusk Blue #26538D ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.064
- Sapphire #2138AB ΔE 0.067
Use #4747A2 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.