#4A337F
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.123 293.9), rgb(74, 51, 127).
Aa
White text reads best on this color (10.13:1).
About this color
#4A337F is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 10.13:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #4A337F |
| RGB | rgb(74, 51, 127) |
| HSL | hsl(258, 43%, 35%) |
| OKLCH | oklch(38.9% 0.123 293.9) |
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 #4A337F | 10.13:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #4A337F | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #4A337F text on white | 10.13:1 | AAA | Lc 93.2 | Preferred for body text |
| #4A337F text on black | 2.07:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3F9
oklch(88.4% 0.052 293.7)
-
Step 300
300
#C3B5F7
oklch(80.8% 0.093 293.9)
-
Step 400
400
#A68CF3
oklch(70.6% 0.148 293.9)
-
Step 500
500
#926CEE
oklch(63.1% 0.188 293.8)
-
Step 600
600
#7E4FDD
oklch(55.6% 0.206 293.9)
-
Step 700
700
#6B3EC0
oklch(49.1% 0.192 294.1)
-
Step 800
800
#57359B
oklch(42.8% 0.158 294)
-
Step 900
900 (this color)
#4A337F
oklch(38.9% 0.123 293.9)
-
Step 950
950
#291D48
oklch(27% 0.077 293.4)
#4A337F 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) | #064282 | 0.081 |
| Deuteranopia (no green cones) | #10407D | 0.077 |
| Tritanopia (no blue cones) | #3C4354 | 0.097 |
| Achromatopsia (no color) | #414141 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A337F
#4A337F
oklch(38.9% 0.123 293.9)
- #454900
#454900
oklch(38.8% 0.087 113.3)
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 #4A337F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.049
- Rebecca Purple #663399 ΔE 0.067
- Cobalt #1E488F ΔE 0.076
- Indigo #4B0082 ΔE 0.078
- Twilight #4E518B ΔE 0.081
- Twilight Blue #0A437A ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.088
Use #4A337F 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.