#4739A9
Closest named color: Blueberry (#464196). oklch(43.1% 0.171 282.1), rgb(71, 57, 169).
Aa
White text reads best on this color (8.65:1).
About this color
#4739A9 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.171 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.037 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #4739A9 |
| RGB | rgb(71, 57, 169) |
| HSL | hsl(248, 50%, 44%) |
| OKLCH | oklch(43.1% 0.171 282.1) |
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 #4739A9 | 8.65:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #4739A9 | 2.42:1 | Fails | Lc 14.8 | Not readable |
| #4739A9 text on white | 8.65:1 | AAA | Lc 89.2 | Fine for body text |
| #4739A9 text on black | 2.42:1 | Fails | Lc -13.1 | Not readable |
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
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D3D5FE
oklch(88.5% 0.056 283)
-
Step 300
300
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9391FF
oklch(70.6% 0.158 282.4)
-
Step 500
500
#7B71FF
oklch(63.1% 0.204 282)
-
Step 600
600
#6753EF
oklch(55.6% 0.224 282.1)
-
Step 700
700
#5642D0
oklch(49.1% 0.208 282)
-
Step 800
800 (this color)
#4739A9
oklch(43.1% 0.171 282.1)
-
Step 900
900
#3A3285
oklch(37.7% 0.134 282.2)
-
Step 950
950
#211E4E
oklch(26.9% 0.086 281.8)
#4739A9 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) | #004FAC | 0.073 |
| Deuteranopia (no green cones) | #0048A7 | 0.068 |
| Tritanopia (no blue cones) | #10556C | 0.144 |
| Achromatopsia (no color) | #4B4B4B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4739A9
#4739A9
oklch(43.1% 0.171 282.1)
- #5A5100
#5A5100
oklch(43% 0.09 102.1)
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 #4739A9, closest first.
No curated palette has a color within ΔE 0.04 of #4739A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Sapphire #2138AB ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.053
- Blurple #5539CC ΔE 0.060
- Indigo Blue #3A18B1 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.063
Use #4739A9 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.