#4F447E
Closest named color: Dark Slate Blue (#483D8B). oklch(42.6% 0.094 290.5), rgb(79, 68, 126).
Aa
White text reads best on this color (8.53:1).
About this color
#4F447E is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.094 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 0.034 away. White text reads best on it, at 8.53:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #4F447E |
| RGB | rgb(79, 68, 126) |
| HSL | hsl(251, 30%, 38%) |
| OKLCH | oklch(42.6% 0.094 290.5) |
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 #4F447E | 8.53:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #4F447E | 2.46:1 | Fails | Lc 14.7 | Not readable |
| #4F447E text on white | 8.53:1 | AAA | Lc 89.2 | Fine for body text |
| #4F447E text on black | 2.46:1 | Fails | Lc -13.0 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6EC
oklch(88.4% 0.03 289.9)
-
Step 300
300
#C0BBE2
oklch(80.9% 0.055 291)
-
Step 400
400
#A097D4
oklch(70.7% 0.089 290.7)
-
Step 500
500
#897DC8
oklch(63.1% 0.111 290.2)
-
Step 600
600
#7465B5
oklch(55.7% 0.122 290.5)
-
Step 700
700
#61539C
oklch(49% 0.114 290.4)
-
Step 800
800 (this color)
#4F447E
oklch(42.6% 0.094 290.5)
-
Step 900
900
#423A66
oklch(37.8% 0.074 290.8)
-
Step 950
950
#26223B
oklch(26.9% 0.046 290.3)
#4F447E 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) | #304D80 | 0.048 |
| Deuteranopia (no green cones) | #314B7D | 0.046 |
| Tritanopia (no blue cones) | #434F5B | 0.078 |
| Achromatopsia (no color) | #4C4C4C | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F447E
#4F447E
oklch(42.6% 0.094 290.5)
- #525300
#525300
oklch(42.7% 0.094 110.6)
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 #4F447E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Twilight #4E518B ΔE 0.038
- Blueberry #464196 ΔE 0.044
- Dusk #4E5481 ΔE 0.045
- Dusty Grape #545775 ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
- Cobalt #1E488F ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.069
Use #4F447E 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.