#4F4B89
Closest named color: Twilight (#4E518B). oklch(44.7% 0.1 284.5), rgb(79, 75, 137).
Aa
White text reads best on this color (7.77:1).
About this color
#4F4B89 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.100 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.016 away. White text reads best on it, at 7.77:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #4F4B89 |
| RGB | rgb(79, 75, 137) |
| HSL | hsl(244, 29%, 42%) |
| OKLCH | oklch(44.7% 0.1 284.5) |
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 #4F4B89 | 7.77:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #4F4B89 | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #4F4B89 text on white | 7.77:1 | AAA | Lc 86.9 | Fine for body text |
| #4F4B89 text on black | 2.70:1 | Fails | Lc -15.2 | Dividers and decoration only |
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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BCBCE6
oklch(80.9% 0.059 285)
-
Step 400
400
#9A99D9
oklch(70.8% 0.093 284.5)
-
Step 500
500
#827ECE
oklch(63% 0.119 284.7)
-
Step 600
600
#6C66BB
oklch(55.5% 0.129 284.6)
-
Step 700
700
#5A54A2
oklch(49% 0.122 284.4)
-
Step 800
800 (this color)
#4F4B89
oklch(44.7% 0.1 284.5)
-
Step 900
900
#3D3B69
oklch(37.7% 0.077 284)
-
Step 950
950
#24233D
oklch(27.1% 0.048 284.5)
#4F4B89 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) | #34548B | 0.041 |
| Deuteranopia (no green cones) | #325088 | 0.040 |
| Tritanopia (no blue cones) | #3E5763 | 0.085 |
| Achromatopsia (no color) | #525252 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4B89
#4F4B89
oklch(44.7% 0.1 284.5)
- #5D5600
#5D5600
oklch(44.6% 0.094 104.1)
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 #4F4B89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.016
- Dusk #4E5481 ΔE 0.031
- Blueberry #464196 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.049
- Dusk Blue #26538D ΔE 0.052
- Dusty Grape #545775 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.055
Use #4F4B89 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.