#4737A9
Closest named color: Blueberry (#464196). oklch(42.8% 0.174 282.6), rgb(71, 55, 169).
Aa
White text reads best on this color (8.79:1).
About this color
#4737A9 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.174 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.039 away. White text reads best on it, at 8.79:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #4737A9 |
| RGB | rgb(71, 55, 169) |
| HSL | hsl(248, 51%, 44%) |
| OKLCH | oklch(42.8% 0.174 282.6) |
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 #4737A9 | 8.79:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #4737A9 | 2.38:1 | Fails | Lc 14.5 | Not readable |
| #4737A9 text on white | 8.79:1 | AAA | Lc 89.5 | Fine for body text |
| #4737A9 text on black | 2.38:1 | Fails | Lc -12.7 | 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
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D3D5FE
oklch(88.5% 0.056 283)
-
Step 300
300
#B7B9FF
oklch(80.9% 0.098 282.7)
-
Step 400
400
#9391FF
oklch(70.6% 0.158 282.4)
-
Step 500
500
#7C70FF
oklch(63.1% 0.205 282.6)
-
Step 600
600
#6852F0
oklch(55.6% 0.226 282.5)
-
Step 700
700
#5741D1
oklch(49.1% 0.21 282.4)
-
Step 800
800 (this color)
#4737A9
oklch(42.8% 0.174 282.6)
-
Step 900
900
#3A3286
oklch(37.8% 0.135 282.1)
-
Step 950
950
#221E4E
oklch(27% 0.085 282.8)
#4737A9 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) | #004EAD | 0.074 |
| Deuteranopia (no green cones) | #0047A7 | 0.069 |
| Tritanopia (no blue cones) | #10546B | 0.147 |
| Achromatopsia (no color) | #4A4A4A | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4737A9
#4737A9
oklch(42.8% 0.174 282.6)
- #595000
#595000
oklch(42.7% 0.089 102)
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 #4737A9, closest first.
No curated palette has a color within ΔE 0.04 of #4737A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.039
- Sapphire #2138AB ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.053
- Indigo Blue #3A18B1 ΔE 0.058
- Blurple #5539CC ΔE 0.061
- Imperial Purple #480CA8 ΔE 0.061
Use #4737A9 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.