#4E37A3
Closest named color: Blueberry (#464196). oklch(42.9% 0.165 287), rgb(78, 55, 163).
Aa
White text reads best on this color (8.75:1).
About this color
#4E37A3 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.165 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.033 away. White text reads best on it, at 8.75:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #4E37A3 |
| RGB | rgb(78, 55, 163) |
| HSL | hsl(253, 50%, 43%) |
| OKLCH | oklch(42.9% 0.165 287) |
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 #4E37A3 | 8.75:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #4E37A3 | 2.39:1 | Fails | Lc 14.5 | Not readable |
| #4E37A3 text on white | 8.75:1 | AAA | Lc 89.5 | Fine for body text |
| #4E37A3 text on black | 2.39:1 | Fails | Lc -12.8 | 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
#F4F4FE
oklch(97% 0.013 286.1)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D4FC
oklch(88.4% 0.055 287.5)
-
Step 300
300
#BCB7FC
oklch(80.8% 0.097 287.3)
-
Step 400
400
#9B8FFB
oklch(70.7% 0.155 286.8)
-
Step 500
500
#866FF8
oklch(63.2% 0.197 287.1)
-
Step 600
600
#7151E7
oklch(55.5% 0.215 287)
-
Step 700
700
#6041C9
oklch(49.2% 0.199 287.1)
-
Step 800
800 (this color)
#4E37A3
oklch(42.9% 0.165 287)
-
Step 900
900
#403181
oklch(37.7% 0.129 287.1)
-
Step 950
950
#251E4B
oklch(27% 0.08 286.9)
#4E37A3 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) | #004DA6 | 0.083 |
| Deuteranopia (no green cones) | #0048A1 | 0.081 |
| Tritanopia (no blue cones) | #2E5268 | 0.137 |
| Achromatopsia (no color) | #4B4B4B | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E37A3
#4E37A3
oklch(42.9% 0.165 287)
- #565200
#565200
oklch(42.9% 0.092 106.4)
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 #4E37A3, closest first.
No curated palette has a color within ΔE 0.04 of #4E37A3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.043
- Rebecca Purple #663399 ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.061
- Imperial Purple #480CA8 ΔE 0.064
- Sapphire #2138AB ΔE 0.065
- Majorelle Blue #3F37C9 ΔE 0.066
Use #4E37A3 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.