#4A5490
Closest named color: Twilight (#4E518B). oklch(46.6% 0.098 274.8), rgb(74, 84, 144).
Aa
White text reads best on this color (7.08:1).
About this color
#4A5490 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.098 and its hue 275°. 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 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #4A5490 |
| RGB | rgb(74, 84, 144) |
| HSL | hsl(231, 32%, 43%) |
| OKLCH | oklch(46.6% 0.098 274.8) |
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 #4A5490 | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #4A5490 | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #4A5490 text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #4A5490 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B7BFE0
oklch(80.9% 0.047 274.6)
-
Step 400
400
#929DD0
oklch(70.6% 0.076 274.9)
-
Step 500
500
#7885C4
oklch(63.2% 0.096 274.4)
-
Step 600
600
#616DB1
oklch(55.5% 0.106 274.8)
-
Step 700
700 (this color)
#4A5490
oklch(46.6% 0.098 274.8)
-
Step 800
800
#424B7B
oklch(42.8% 0.08 274.5)
-
Step 900
900
#383F63
oklch(37.8% 0.062 274.7)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#4A5490 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) | #3D5B92 | 0.024 |
| Deuteranopia (no green cones) | #37568F | 0.024 |
| Tritanopia (no blue cones) | #30616B | 0.087 |
| Achromatopsia (no color) | #585858 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A5490
#4A5490
oklch(46.6% 0.098 274.8)
- #6B5800
#6B5800
oklch(46.6% 0.096 94.4)
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 #4A5490, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.011
- Denim Blue #3B5B92 ΔE 0.025
- Dusk #4E5481 ΔE 0.025
- Dusky Blue #475F94 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.040
- Dusk Blue #26538D ΔE 0.043
- Denim #3B638C ΔE 0.047
- Dusty Grape #545775 ΔE 0.049
Use #4A5490 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.