#4D4E90
Closest named color: Twilight (#4E518B). oklch(45.6% 0.106 280.7), rgb(77, 78, 144).
Aa
White text reads best on this color (7.47:1).
About this color
#4D4E90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.106 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.013 away. White text reads best on it, at 7.47:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #4D4E90 |
| RGB | rgb(77, 78, 144) |
| HSL | hsl(239, 30%, 43%) |
| OKLCH | oklch(45.6% 0.106 280.7) |
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 #4D4E90 | 7.47:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #4D4E90 | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #4D4E90 text on white | 7.47:1 | AAA | Lc 85.9 | Fine for body text |
| #4D4E90 text on black | 2.80:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B9BDE9
oklch(81% 0.062 280.8)
-
Step 400
400
#9599DD
oklch(70.6% 0.099 280.9)
-
Step 500
500
#7C7FD4
oklch(63.1% 0.127 280.6)
-
Step 600
600
#6667C1
oklch(55.6% 0.137 280.5)
-
Step 700
700
#5555A7
oklch(49.1% 0.128 280.6)
-
Step 800
800 (this color)
#4D4E90
oklch(45.6% 0.106 280.7)
-
Step 900
900
#3A3B6C
oklch(37.6% 0.083 280.8)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#4D4E90 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) | #345792 | 0.038 |
| Deuteranopia (no green cones) | #30528F | 0.038 |
| Tritanopia (no blue cones) | #365C68 | 0.092 |
| Achromatopsia (no color) | #555555 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4E90
#4D4E90
oklch(45.6% 0.106 280.7)
- #635800
#635800
oklch(45.7% 0.095 101)
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 #4D4E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.013
- Dusk #4E5481 ΔE 0.033
- Blueberry #464196 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.047
- Dusky Blue #475F94 ΔE 0.047
- Dusk Blue #26538D ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.052
Use #4D4E90 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.