#4D37A0
Closest named color: Blueberry (#464196). oklch(42.5% 0.162 287), rgb(77, 55, 160).
Aa
White text reads best on this color (8.86:1).
About this color
#4D37A0 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.162 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.030 away. White text reads best on it, at 8.86:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #4D37A0 |
| RGB | rgb(77, 55, 160) |
| HSL | hsl(253, 49%, 42%) |
| OKLCH | oklch(42.5% 0.162 287) |
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 #4D37A0 | 8.86:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #4D37A0 | 2.36:1 | Fails | Lc 14.2 | Not readable |
| #4D37A0 text on white | 8.86:1 | AAA | Lc 89.8 | Fine for body text |
| #4D37A0 text on black | 2.36:1 | Fails | Lc -12.5 | 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
#E8E8FC
oklch(93.7% 0.027 285.9)
-
Step 200
200
#D6D5FB
oklch(88.6% 0.052 286.5)
-
Step 300
300
#BCB8FB
oklch(81% 0.094 286.8)
-
Step 400
400
#9B90F9
oklch(70.7% 0.15 286.7)
-
Step 500
500
#8670F6
oklch(63.2% 0.193 287.1)
-
Step 600
600
#7153E5
oklch(55.6% 0.21 286.9)
-
Step 700
700
#5F42C7
oklch(49.1% 0.196 286.8)
-
Step 800
800 (this color)
#4D37A0
oklch(42.5% 0.162 287)
-
Step 900
900
#40327F
oklch(37.7% 0.125 287.2)
-
Step 950
950
#251E4B
oklch(27% 0.08 286.9)
#4D37A0 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) | #004DA3 | 0.083 |
| Deuteranopia (no green cones) | #00479E | 0.080 |
| Tritanopia (no blue cones) | #2E5166 | 0.134 |
| Achromatopsia (no color) | #4A4A4A | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D37A0
#4D37A0
oklch(42.5% 0.162 287)
- #545100
#545100
oklch(42.4% 0.091 107.3)
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 #4D37A0, closest first.
No curated palette has a color within ΔE 0.04 of #4D37A0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.038
- Rebecca Purple #663399 ΔE 0.048
- Chrysanthemum #560BAD ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Sapphire #2138AB ΔE 0.065
- Imperial Purple #480CA8 ΔE 0.065
- Indigo Blue #3A18B1 ΔE 0.069
Use #4D37A0 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.