#4A3679
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.11 294.5), rgb(74, 54, 121).
Aa
White text reads best on this color (10.02:1).
About this color
#4A3679 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.110 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 0.033 away. White text reads best on it, at 10.02:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.02:1 |
Values
| HEX | #4A3679 |
| RGB | rgb(74, 54, 121) |
| HSL | hsl(258, 38%, 34%) |
| OKLCH | oklch(39% 0.11 294.5) |
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 #4A3679 | 10.02:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #4A3679 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #4A3679 text on white | 10.02:1 | AAA | Lc 93.0 | Preferred for body text |
| #4A3679 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
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
#C3B7F1
oklch(80.9% 0.082 294)
-
Step 400
400
#A68FEA
oklch(70.7% 0.132 294.4)
-
Step 500
500
#9270E3
oklch(63.1% 0.168 294.7)
-
Step 600
600
#7D55D1
oklch(55.5% 0.183 294.6)
-
Step 700
700
#6A44B5
oklch(49% 0.171 294.8)
-
Step 800
800
#563993
oklch(42.7% 0.142 294.5)
-
Step 900
900 (this color)
#4A3679
oklch(39% 0.11 294.5)
-
Step 950
950
#291E45
oklch(27% 0.071 294.2)
#4A3679 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) | #1A437B | 0.069 |
| Deuteranopia (no green cones) | #1E4177 | 0.066 |
| Tritanopia (no blue cones) | #3F4452 | 0.088 |
| Achromatopsia (no color) | #424242 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A3679
#4A3679
oklch(39% 0.11 294.5)
- #444A00
#444A00
oklch(39% 0.088 115)
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 #4A3679, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.074
- Cobalt #1E488F ΔE 0.075
- Twilight #4E518B ΔE 0.076
- Twilight Blue #0A437A ΔE 0.078
- Dusk #4E5481 ΔE 0.084
- Light Navy #155084 ΔE 0.088
Use #4A3679 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.