#494E91
Closest named color: Twilight (#4E518B). oklch(45.3% 0.108 277.9), rgb(73, 78, 145).
Aa
White text reads best on this color (7.54:1).
About this color
#494E91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.108 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.016 away. White text reads best on it, at 7.54:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #494E91 |
| RGB | rgb(73, 78, 145) |
| HSL | hsl(236, 33%, 43%) |
| OKLCH | oklch(45.3% 0.108 277.9) |
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 #494E91 | 7.54:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #494E91 | 2.78:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #494E91 text on white | 7.54:1 | AAA | Lc 86.1 | Fine for body text |
| #494E91 text on black | 2.78:1 | Fails | Lc -16.0 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D3D7F1
oklch(88.4% 0.036 278.7)
-
Step 300
300
#B6BDEA
oklch(80.8% 0.064 277.9)
-
Step 400
400
#929ADF
oklch(70.7% 0.101 278.4)
-
Step 500
500
#7880D6
oklch(63.1% 0.129 278)
-
Step 600
600
#6268C4
oklch(55.7% 0.141 278)
-
Step 700
700
#5156A9
oklch(49.1% 0.131 277.8)
-
Step 800
800 (this color)
#494E91
oklch(45.3% 0.108 277.9)
-
Step 900
900
#383C6D
oklch(37.8% 0.083 278.1)
-
Step 950
950
#202340
oklch(26.9% 0.054 277.6)
#494E91 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) | #325793 | 0.035 |
| Deuteranopia (no green cones) | #2C5190 | 0.036 |
| Tritanopia (no blue cones) | #2E5C68 | 0.095 |
| Achromatopsia (no color) | #545454 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #494E91
#494E91
oklch(45.3% 0.108 277.9)
- #645600
#645600
oklch(45.3% 0.094 98.3)
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 #494E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.016
- Dusk #4E5481 ΔE 0.035
- Blueberry #464196 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.038
- Dusk Blue #26538D ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.045
- Dusky Blue #475F94 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.049
Use #494E91 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.