#4E37A1
Closest named color: Blueberry (#464196). oklch(42.7% 0.163 287.4), rgb(78, 55, 161).
Aa
White text reads best on this color (8.80:1).
About this color
#4E37A1 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.163 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.031 away. White text reads best on it, at 8.80:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #4E37A1 |
| RGB | rgb(78, 55, 161) |
| HSL | hsl(253, 49%, 42%) |
| OKLCH | oklch(42.7% 0.163 287.4) |
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 #4E37A1 | 8.80:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #4E37A1 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #4E37A1 text on white | 8.80:1 | AAA | Lc 89.6 | Fine for body text |
| #4E37A1 text on black | 2.38:1 | Fails | Lc -12.6 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D6D4FB
oklch(88.4% 0.053 287.6)
-
Step 300
300
#BCB7FB
oklch(80.8% 0.095 287.4)
-
Step 400
400
#9C8FF9
oklch(70.6% 0.152 287.5)
-
Step 500
500
#866FF6
oklch(63.1% 0.194 287.3)
-
Step 600
600
#7252E5
oklch(55.6% 0.211 287.4)
-
Step 700
700
#6041C7
oklch(49% 0.197 287.4)
-
Step 800
800 (this color)
#4E37A1
oklch(42.7% 0.163 287.4)
-
Step 900
900
#403180
oklch(37.6% 0.128 287.3)
-
Step 950
950
#251E4B
oklch(27% 0.08 286.9)
#4E37A1 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) | #004DA4 | 0.084 |
| Deuteranopia (no green cones) | #00489F | 0.081 |
| Tritanopia (no blue cones) | #305167 | 0.134 |
| Achromatopsia (no color) | #4A4A4A | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E37A1
#4E37A1
oklch(42.7% 0.163 287.4)
- #555200
#555200
oklch(42.8% 0.092 107.3)
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 #4E37A1, closest first.
No curated palette has a color within ΔE 0.04 of #4E37A1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.040
- Rebecca Purple #663399 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Chrysanthemum #560BAD ΔE 0.062
- Imperial Purple #480CA8 ΔE 0.065
- Sapphire #2138AB ΔE 0.066
- Majorelle Blue #3F37C9 ΔE 0.069
Use #4E37A1 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.