#4E518F
Closest named color: Twilight (#4E518B). oklch(46.2% 0.1 279.6), rgb(78, 81, 143).
Aa
White text reads best on this color (7.24:1).
About this color
#4E518F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.100 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.007 away. White text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #4E518F |
| RGB | rgb(78, 81, 143) |
| HSL | hsl(237, 29%, 43%) |
| OKLCH | oklch(46.2% 0.1 279.6) |
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 #4E518F | 7.24:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #4E518F | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #4E518F text on white | 7.24:1 | AAA | Lc 85.1 | Fine for body text |
| #4E518F text on black | 2.89:1 | Fails | Lc -17.0 | 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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#BABEE0
oklch(80.9% 0.048 280)
-
Step 400
400
#969CD1
oklch(70.7% 0.078 279.2)
-
Step 500
500
#7D83C4
oklch(63.1% 0.098 279.2)
-
Step 600
600
#676BB1
oklch(55.6% 0.108 279.8)
-
Step 700
700 (this color)
#4E518F
oklch(46.2% 0.1 279.6)
-
Step 800
800
#46497B
oklch(42.6% 0.082 279.7)
-
Step 900
900
#3B3D63
oklch(37.6% 0.065 280.5)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#4E518F 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) | #3A5991 | 0.032 |
| Deuteranopia (no green cones) | #35548E | 0.033 |
| Tritanopia (no blue cones) | #395E69 | 0.087 |
| Achromatopsia (no color) | #575757 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E518F
#4E518F
oklch(46.2% 0.1 279.6)
- #665900
#665900
oklch(46.3% 0.096 99.4)
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 #4E518F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.007
- Dusk #4E5481 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.048
- Dusk Blue #26538D ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
Use #4E518F 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.