#4A3B7D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.108 291.3), rgb(74, 59, 125).
Aa
White text reads best on this color (9.48:1).
About this color
#4A3B7D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.108 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.023 away. White text reads best on it, at 9.48:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #4A3B7D |
| RGB | rgb(74, 59, 125) |
| HSL | hsl(254, 36%, 36%) |
| OKLCH | oklch(40.2% 0.108 291.3) |
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 #4A3B7D | 9.48:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #4A3B7D | 2.21:1 | Fails | Lc 12.2 | Not readable |
| #4A3B7D text on white | 9.48:1 | AAA | Lc 91.8 | Preferred for body text |
| #4A3B7D text on black | 2.21:1 | Fails | Lc -10.6 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D9D6EF
oklch(88.6% 0.034 291.2)
-
Step 300
300
#C0BAE7
oklch(80.9% 0.063 291)
-
Step 400
400
#A195DB
oklch(70.7% 0.102 291.4)
-
Step 500
500
#8B7AD1
oklch(63.2% 0.129 291.2)
-
Step 600
600
#7561BE
oklch(55.6% 0.14 291)
-
Step 700
700
#6350A4
oklch(49.2% 0.13 291.3)
-
Step 800
800 (this color)
#4A3B7D
oklch(40.2% 0.108 291.3)
-
Step 900
900
#42386A
oklch(37.6% 0.084 291)
-
Step 950
950
#27213E
oklch(27% 0.053 291.9)
#4A3B7D 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) | #20477F | 0.061 |
| Deuteranopia (no green cones) | #22447B | 0.058 |
| Tritanopia (no blue cones) | #3D4856 | 0.087 |
| Achromatopsia (no color) | #464646 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3B7D
#4A3B7D
oklch(40.2% 0.108 291.3)
- #4B4C00
#4B4C00
oklch(40.2% 0.088 110.6)
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 #4A3B7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.023
- Blueberry #464196 ΔE 0.043
- Twilight #4E518B ΔE 0.062
- Cobalt #1E488F ΔE 0.066
- Rebecca Purple #663399 ΔE 0.071
- Dusk #4E5481 ΔE 0.071
- Twilight Blue #0A437A ΔE 0.074
- Dusk Blue #26538D ΔE 0.076
Use #4A3B7D 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.