#4A3973
Closest named color: Dark Slate Blue (#483D8B). oklch(39.2% 0.096 295.1), rgb(74, 57, 115).
Aa
White text reads best on this color (9.88:1).
About this color
#4A3973 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 9.88:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #4A3973 |
| RGB | rgb(74, 57, 115) |
| HSL | hsl(258, 34%, 34%) |
| OKLCH | oklch(39.2% 0.096 295.1) |
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 #4A3973 | 9.88:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #4A3973 | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #4A3973 text on white | 9.88:1 | AAA | Lc 92.8 | Preferred for body text |
| #4A3973 text on black | 2.12:1 | Fails | Lc -9.7 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F2
oklch(88.4% 0.041 294.7)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A691E1
oklch(70.6% 0.116 295.3)
-
Step 500
500
#9174D8
oklch(63% 0.148 295.2)
-
Step 600
600
#7C5BC6
oklch(55.7% 0.16 294.9)
-
Step 700
700
#694AAB
oklch(49.2% 0.149 295.1)
-
Step 800
800
#553D8A
oklch(42.6% 0.123 295)
-
Step 900
900 (this color)
#4A3973
oklch(39.2% 0.096 295.1)
-
Step 950
950
#291F41
oklch(26.9% 0.062 295.5)
#4A3973 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) | #254475 | 0.058 |
| Deuteranopia (no green cones) | #284272 | 0.054 |
| Tritanopia (no blue cones) | #414450 | 0.077 |
| Achromatopsia (no color) | #434343 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3973
#4A3973
oklch(39.2% 0.096 295.1)
- #444B00
#444B00
oklch(39.3% 0.09 115.7)
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 #4A3973, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.060
- Twilight #4E518B ΔE 0.072
- Twilight Blue #0A437A ΔE 0.076
- Cobalt #1E488F ΔE 0.076
- Dusk #4E5481 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.079
- Rebecca Purple #663399 ΔE 0.082
Use #4A3973 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.