#4C4C90
Closest named color: Twilight (#4E518B). oklch(45.1% 0.109 281.1), rgb(76, 76, 144).
Aa
White text reads best on this color (7.65:1).
About this color
#4C4C90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.109 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.018 away. White text reads best on it, at 7.65:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #4C4C90 |
| RGB | rgb(76, 76, 144) |
| HSL | hsl(240, 31%, 43%) |
| OKLCH | oklch(45.1% 0.109 281.1) |
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 #4C4C90 | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #4C4C90 | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #4C4C90 text on white | 7.65:1 | AAA | Lc 86.4 | Fine for body text |
| #4C4C90 text on black | 2.74:1 | Fails | Lc -15.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300
#B9BCEA
oklch(80.8% 0.065 281.9)
-
Step 400
400
#9599DF
oklch(70.7% 0.102 280.9)
-
Step 500
500
#7C7ED6
oklch(63% 0.131 281)
-
Step 600
600
#6766C3
oklch(55.6% 0.141 281.3)
-
Step 700
700
#5554A9
oklch(49.1% 0.133 280.9)
-
Step 800
800 (this color)
#4C4C90
oklch(45.1% 0.109 281.1)
-
Step 900
900
#3A3B6D
oklch(37.7% 0.084 280.7)
-
Step 950
950
#222340
oklch(27.1% 0.053 280.7)
#4C4C90 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) | #305693 | 0.041 |
| Deuteranopia (no green cones) | #2C518E | 0.042 |
| Tritanopia (no blue cones) | #355A67 | 0.094 |
| Achromatopsia (no color) | #535353 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C4C90
#4C4C90
oklch(45.1% 0.109 281.1)
- #615600
#615600
oklch(45% 0.094 100.8)
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 #4C4C90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.018
- Blueberry #464196 ΔE 0.034
- Dusk #4E5481 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.045
- Dusk Blue #26538D ΔE 0.048
- Dusky Blue #475F94 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.055
Use #4C4C90 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.