#4F386B
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.087 303.4), rgb(79, 56, 107).
Aa
White text reads best on this color (9.95:1).
About this color
#4F386B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.087 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.11:1 |
| White text | 9.95:1 |
Values
| HEX | #4F386B |
| RGB | rgb(79, 56, 107) |
| HSL | hsl(267, 31%, 32%) |
| OKLCH | oklch(39% 0.087 303.4) |
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 #4F386B | 9.95:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #4F386B | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #4F386B text on white | 9.95:1 | AAA | Lc 93.0 | Preferred for body text |
| #4F386B text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED4ED
oklch(88.6% 0.036 303.8)
-
Step 300
300
#C9B7E4
oklch(80.9% 0.065 303.2)
-
Step 400
400
#AE90D6
oklch(70.6% 0.105 303.5)
-
Step 500
500
#9B73CB
oklch(63.1% 0.134 303.8)
-
Step 600
600
#865AB8
oklch(55.6% 0.146 303.6)
-
Step 700
700
#71499E
oklch(49% 0.135 303.5)
-
Step 800
800
#5C3D80
oklch(42.7% 0.111 303.4)
-
Step 900
900 (this color)
#4F386B
oklch(39% 0.087 303.4)
-
Step 950
950
#2C1F3C
oklch(27% 0.055 303.6)
#4F386B 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) | #2A426D | 0.061 |
| Deuteranopia (no green cones) | #30436A | 0.056 |
| Tritanopia (no blue cones) | #4A414C | 0.067 |
| Achromatopsia (no color) | #434343 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F386B
#4F386B
oklch(39% 0.087 303.4)
- #3C4C0D
#3C4C0D
oklch(38.9% 0.087 123.2)
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 #4F386B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Blueberry #464196 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.078
- Twilight #4E518B ΔE 0.079
- Dusk #4E5481 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.086
- Twilight Blue #0A437A ΔE 0.086
- Rebecca Purple #663399 ΔE 0.088
Use #4F386B 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.