#4F357E
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.119 297.1), rgb(79, 53, 126).
Aa
White text reads best on this color (9.79:1).
About this color
#4F357E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.119 and its hue 297°. 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 9.79:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #4F357E |
| RGB | rgb(79, 53, 126) |
| HSL | hsl(261, 41%, 35%) |
| OKLCH | oklch(39.7% 0.119 297.1) |
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 #4F357E | 9.79:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #4F357E | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #4F357E text on white | 9.79:1 | AAA | Lc 92.4 | Preferred for body text |
| #4F357E text on black | 2.14:1 | Fails | Lc -10.0 | 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
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C6B5F4
oklch(80.9% 0.089 296.7)
-
Step 400
400
#AB8CEE
oklch(70.8% 0.142 297.2)
-
Step 500
500
#976BE8
oklch(63% 0.182 297.1)
-
Step 600
600
#834FD6
oklch(55.6% 0.198 297.3)
-
Step 700
700
#6F3EBA
oklch(49.1% 0.185 297.2)
-
Step 800
800
#5A3596
oklch(42.7% 0.152 297.1)
-
Step 900
900 (this color)
#4F357E
oklch(39.7% 0.119 297.1)
-
Step 950
950
#2B1C46
oklch(26.9% 0.076 297.5)
#4F357E 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) | #134480 | 0.082 |
| Deuteranopia (no green cones) | #1C437C | 0.077 |
| Tritanopia (no blue cones) | #444454 | 0.093 |
| Achromatopsia (no color) | #444444 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F357E
#4F357E
oklch(39.7% 0.119 297.1)
- #444D00
#444D00
oklch(39.8% 0.092 117.2)
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 #4F357E, 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 0.061
- Twilight #4E518B ΔE 0.075
- Cobalt #1E488F ΔE 0.080
- Dusk #4E5481 ΔE 0.084
- Indigo #4B0082 ΔE 0.085
- Twilight Blue #0A437A ΔE 0.088
Use #4F357E 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.