#4F4F89
Closest named color: Twilight (#4E518B). oklch(45.5% 0.093 282), rgb(79, 79, 137).
Aa
White text reads best on this color (7.46:1).
About this color
#4F4F89 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.093 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.006 away. White text reads best on it, at 7.46:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #4F4F89 |
| RGB | rgb(79, 79, 137) |
| HSL | hsl(240, 27%, 42%) |
| OKLCH | oklch(45.5% 0.093 282) |
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 #4F4F89 | 7.46:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #4F4F89 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #4F4F89 text on white | 7.46:1 | AAA | Lc 85.9 | Fine for body text |
| #4F4F89 text on black | 2.81:1 | Fails | Lc -16.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BABDE4
oklch(80.9% 0.055 281.6)
-
Step 400
400
#989AD6
oklch(70.7% 0.087 282.4)
-
Step 500
500
#7F80CB
oklch(63% 0.112 282.1)
-
Step 600
600
#6968B8
oklch(55.5% 0.122 282.2)
-
Step 700
700
#58579E
oklch(49.2% 0.112 282.1)
-
Step 800
800 (this color)
#4F4F89
oklch(45.5% 0.093 282)
-
Step 900
900
#3C3C67
oklch(37.7% 0.073 282.3)
-
Step 950
950
#23233C
oklch(26.9% 0.046 282.9)
#4F4F89 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) | #3A578B | 0.034 |
| Deuteranopia (no green cones) | #385388 | 0.032 |
| Tritanopia (no blue cones) | #3E5B65 | 0.082 |
| Achromatopsia (no color) | #555555 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4F89
#4F4F89
oklch(45.5% 0.093 282)
- #615805
#615805
oklch(45.5% 0.093 102.4)
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 #4F4F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.006
- Dusk #4E5481 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.045
- Dusty Grape #545775 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.049
- Blueberry #464196 ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
Use #4F4F89 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.