#494C8A
Closest named color: Twilight (#4E518B). oklch(44.5% 0.101 279.4), rgb(73, 76, 138).
Aa
White text reads best on this color (7.82:1).
About this color
#494C8A is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.101 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.017 away. White text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #494C8A |
| RGB | rgb(73, 76, 138) |
| HSL | hsl(237, 31%, 41%) |
| OKLCH | oklch(44.5% 0.101 279.4) |
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 #494C8A | 7.82:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #494C8A | 2.68:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #494C8A text on white | 7.82:1 | AAA | Lc 87.0 | Fine for body text |
| #494C8A text on black | 2.68:1 | Fails | Lc -15.1 | 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
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300
#B8BDE7
oklch(80.9% 0.059 279.7)
-
Step 400
400
#949ADB
oklch(70.6% 0.095 279.6)
-
Step 500
500
#7B80D1
oklch(63.1% 0.121 279.6)
-
Step 600
600
#6568BE
oklch(55.6% 0.131 279.7)
-
Step 700
700
#5456A4
oklch(49% 0.123 279.8)
-
Step 800
800 (this color)
#494C8A
oklch(44.5% 0.101 279.4)
-
Step 900
900
#393C6A
oklch(37.6% 0.078 279.1)
-
Step 950
950
#21233E
oklch(26.8% 0.05 279.2)
#494C8A 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) | #34548C | 0.033 |
| Deuteranopia (no green cones) | #2F5089 | 0.034 |
| Tritanopia (no blue cones) | #335964 | 0.088 |
| Achromatopsia (no color) | #525252 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #494C8A
#494C8A
oklch(44.5% 0.101 279.4)
- #605400
#605400
oklch(44.4% 0.092 99.7)
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 #494C8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.017
- Dusk #4E5481 ΔE 0.032
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.041
- Dusk Blue #26538D ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.053
Use #494C8A 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.