#4E5091
Closest named color: Twilight (#4E518B). oklch(46.1% 0.104 280.2), rgb(78, 80, 145).
Aa
White text reads best on this color (7.29:1).
About this color
#4E5091 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.104 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.011 away. White text reads best on it, at 7.29:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.88:1 |
| White text | 7.29:1 |
Values
| HEX | #4E5091 |
| RGB | rgb(78, 80, 145) |
| HSL | hsl(238, 30%, 44%) |
| OKLCH | oklch(46.1% 0.104 280.2) |
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 #4E5091 | 7.29:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #4E5091 | 2.88:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #4E5091 text on white | 7.29:1 | AAA | Lc 85.2 | Fine for body text |
| #4E5091 text on black | 2.88:1 | Fails | Lc -16.8 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#BABEE1
oklch(81% 0.049 280.1)
-
Step 400
400
#969BD3
oklch(70.6% 0.082 280.1)
-
Step 500
500
#7D82C7
oklch(63.1% 0.103 279.8)
-
Step 600
600
#676AB3
oklch(55.5% 0.112 280.3)
-
Step 700
700 (this color)
#4E5091
oklch(46.1% 0.104 280.2)
-
Step 800
800
#46497D
oklch(42.8% 0.086 279.6)
-
Step 900
900
#3B3D65
oklch(37.7% 0.068 280.4)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#4E5091 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) | #375993 | 0.036 |
| Deuteranopia (no green cones) | #325490 | 0.037 |
| Tritanopia (no blue cones) | #385D69 | 0.090 |
| Achromatopsia (no color) | #565656 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E5091
#4E5091
oklch(46.1% 0.104 280.2)
- #655900
#655900
oklch(46.1% 0.096 100.2)
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 #4E5091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.011
- Dusk #4E5481 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.042
- Blueberry #464196 ΔE 0.045
- Dusk Blue #26538D ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.053
Use #4E5091 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.