#455080
Closest named color: Dusk (#4E5481). oklch(44.4% 0.08 272.9), rgb(69, 80, 128).
Aa
White text reads best on this color (7.74:1).
About this color
#455080 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.080 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.019 away. White text reads best on it, at 7.74:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #455080 |
| RGB | rgb(69, 80, 128) |
| HSL | hsl(229, 30%, 39%) |
| OKLCH | oklch(44.4% 0.08 272.9) |
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 #455080 | 7.74:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #455080 | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #455080 text on white | 7.74:1 | AAA | Lc 86.8 | Fine for body text |
| #455080 text on black | 2.71:1 | Fails | Lc -15.3 | 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
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFE0
oklch(80.8% 0.048 273.3)
-
Step 400
400
#919ED0
oklch(70.7% 0.075 273.1)
-
Step 500
500
#7685C4
oklch(63% 0.097 273.1)
-
Step 600
600
#5F6EB0
oklch(55.5% 0.104 272.9)
-
Step 700
700
#4F5C97
oklch(49.1% 0.096 273)
-
Step 800
800 (this color)
#455080
oklch(44.4% 0.08 272.9)
-
Step 900
900
#373F63
oklch(37.7% 0.063 273.5)
-
Step 950
950
#20253A
oklch(27% 0.04 273.2)
#455080 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) | #3F5582 | 0.015 |
| Deuteranopia (no green cones) | #3A507F | 0.015 |
| Tritanopia (no blue cones) | #305A62 | 0.071 |
| Achromatopsia (no color) | #535353 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455080
#455080
oklch(44.4% 0.08 272.9)
- #635215
#635215
oklch(44.4% 0.08 92.8)
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 #455080, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.019
- Twilight #4E518B ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.039
- Dusk Blue #26538D ΔE 0.039
- Dusty Grape #545775 ΔE 0.039
- Light Navy #155084 ΔE 0.049
Use #455080 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.