#4A387A
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.108 293.4), rgb(74, 56, 122).
Aa
White text reads best on this color (9.82:1).
About this color
#4A387A is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.108 and its hue 293°. 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 9.82:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #4A387A |
| RGB | rgb(74, 56, 122) |
| HSL | hsl(256, 37%, 35%) |
| OKLCH | oklch(39.5% 0.108 293.4) |
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 #4A387A | 9.82:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #4A387A | 2.13:1 | Fails | Lc 11.4 | Not readable |
| #4A387A text on white | 9.82:1 | AAA | Lc 92.6 | Preferred for body text |
| #4A387A text on black | 2.13:1 | Fails | Lc -9.9 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F5
oklch(88.5% 0.045 293.8)
-
Step 300
300
#C2B7F1
oklch(80.8% 0.082 293.2)
-
Step 400
400
#A590EA
oklch(70.8% 0.13 293.5)
-
Step 500
500
#9071E3
oklch(63.1% 0.167 293.6)
-
Step 600
600
#7B57D1
oklch(55.7% 0.18 293.3)
-
Step 700
700
#6846B5
oklch(49.1% 0.168 293.4)
-
Step 800
800
#553A92
oklch(42.7% 0.139 293.8)
-
Step 900
900 (this color)
#4A387A
oklch(39.5% 0.108 293.4)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#4A387A 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) | #1D447C | 0.065 |
| Deuteranopia (no green cones) | #204278 | 0.062 |
| Tritanopia (no blue cones) | #3E4553 | 0.087 |
| Achromatopsia (no color) | #434343 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A387A
#4A387A
oklch(39.5% 0.108 293.4)
- #474B00
#474B00
oklch(39.6% 0.088 113.2)
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 #4A387A, 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 0.050
- Twilight #4E518B ΔE 0.071
- Cobalt #1E488F ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Twilight Blue #0A437A ΔE 0.076
- Dusk #4E5481 ΔE 0.078
- Dusk Blue #26538D ΔE 0.084
Use #4A387A 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.