#495181
Closest named color: Dusk (#4E5481). oklch(45% 0.079 275.6), rgb(73, 81, 129).
Aa
White text reads best on this color (7.56:1).
About this color
#495181 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.079 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.012 away. White text reads best on it, at 7.56:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #495181 |
| RGB | rgb(73, 81, 129) |
| HSL | hsl(231, 28%, 40%) |
| OKLCH | oklch(45% 0.079 275.6) |
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 #495181 | 7.56:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #495181 | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #495181 text on white | 7.56:1 | AAA | Lc 86.2 | Fine for body text |
| #495181 text on black | 2.77:1 | Fails | Lc -15.9 | 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
#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
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400
#939DCF
oklch(70.6% 0.074 275.6)
-
Step 500
500
#7984C3
oklch(63% 0.096 275.7)
-
Step 600
600
#636DAF
oklch(55.6% 0.103 276)
-
Step 700
700
#525B96
oklch(49.1% 0.095 275.8)
-
Step 800
800 (this color)
#495181
oklch(45% 0.079 275.6)
-
Step 900
900
#383F62
oklch(37.8% 0.061 274.5)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#495181 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) | #405683 | 0.017 |
| Deuteranopia (no green cones) | #3C5280 | 0.018 |
| Tritanopia (no blue cones) | #375B63 | 0.070 |
| Achromatopsia (no color) | #545454 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #495181
#495181
oklch(45% 0.079 275.6)
- #635519
#635519
oklch(45.1% 0.08 95.7)
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 #495181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.012
- Twilight #4E518B ΔE 0.019
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.038
- Dusk Blue #26538D ΔE 0.043
- Dusky Blue #475F94 ΔE 0.045
Use #495181 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.