#4A37E7
Closest named color: Purpley Blue (#5F34E7). oklch(48.9% 0.248 276.9), rgb(74, 55, 231).
Aa
White text reads best on this color (7.01:1).
About this color
#4A37E7 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.248 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley Blue (#5F34E7), ΔE 0.034 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.248) |
| Temperature | cool |
| Nearest name | Purpley Blue (#5F34E7) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #4A37E7 |
| RGB | rgb(74, 55, 231) |
| HSL | hsl(246, 79%, 56%) |
| OKLCH | oklch(48.9% 0.248 276.9) |
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 #4A37E7 | 7.01:1 | AAA | Lc -88.2 | Fine for body text |
| Black text on #4A37E7 | 2.99:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #4A37E7 text on white | 7.01:1 | AAA | Lc 83.2 | Fine for body text |
| #4A37E7 text on black | 2.99:1 | Fails | Lc -18.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CFD7FF
oklch(88.6% 0.056 276.3)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6F76FF
oklch(63.2% 0.2 276.8)
-
Step 600
600
#5950FF
oklch(55.5% 0.248 276.9)
-
Step 700
700 (this color)
#4A37E7
oklch(48.9% 0.248 276.9)
-
Step 800
800
#3C31BB
oklch(42.7% 0.205 276.8)
-
Step 900
900
#322E93
oklch(37.6% 0.16 277.2)
-
Step 950
950
#1C1D56
oklch(27% 0.101 276.5)
#4A37E7 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) | #0060EC | 0.085 |
| Deuteranopia (no green cones) | #0051E4 | 0.065 |
| Tritanopia (no blue cones) | #006B8E | 0.195 |
| Achromatopsia (no color) | #595959 | 0.249 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A37E7
#4A37E7
oklch(48.9% 0.248 276.9)
- #715F00
#715F00
oklch(48.9% 0.101 96.1)
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 #4A37E7, closest first.
No curated palette has a color within ΔE 0.04 of #4A37E7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Blue #5F34E7 ΔE 0.034
- Light Royal Blue #3A2EFE ΔE 0.044
- Blue Purple #5A06EF ΔE 0.045
- Blurple #5539CC ΔE 0.046
- Majorelle Blue #3F37C9 ΔE 0.050
- Burple #6832E3 ΔE 0.051
- Purply Blue #661AEE ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
Use #4A37E7 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.