#464C81
Closest named color: Twilight (#4E518B). oklch(43.7% 0.087 277.2), rgb(70, 76, 129).
Aa
White text reads best on this color (8.04:1).
About this color
#464C81 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.024 away. White text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.61:1 |
| White text | 8.04:1 |
Values
| HEX | #464C81 |
| RGB | rgb(70, 76, 129) |
| HSL | hsl(234, 30%, 39%) |
| OKLCH | oklch(43.7% 0.087 277.2) |
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 #464C81 | 8.04:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #464C81 | 2.61:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #464C81 text on white | 8.04:1 | AAA | Lc 87.8 | Fine for body text |
| #464C81 text on black | 2.61:1 | Fails | Lc -14.4 | Not readable |
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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B8BEE2
oklch(80.9% 0.051 277.7)
-
Step 400
400
#949CD4
oklch(70.7% 0.082 277.8)
-
Step 500
500
#7A83C8
oklch(63.1% 0.104 277.3)
-
Step 600
600
#636CB5
oklch(55.7% 0.113 276.7)
-
Step 700
700
#52599C
oklch(49% 0.107 277.2)
-
Step 800
800 (this color)
#464C81
oklch(43.7% 0.087 277.2)
-
Step 900
900
#393E65
oklch(37.8% 0.067 277.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#464C81 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) | #395383 | 0.025 |
| Deuteranopia (no green cones) | #344E80 | 0.024 |
| Tritanopia (no blue cones) | #325760 | 0.077 |
| Achromatopsia (no color) | #505050 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #464C81
#464C81
oklch(43.7% 0.087 277.2)
- #5F5106
#5F5106
oklch(43.6% 0.087 97.1)
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 #464C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.024
- Dusk #4E5481 ΔE 0.028
- Dusk Blue #26538D ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.047
- Dusty Grape #545775 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.049
Use #464C81 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.