#455D92
Closest named color: Dusky Blue (#475F94). oklch(48.4% 0.091 264.7), rgb(69, 93, 146).
Aa
White text reads best on this color (6.49:1).
About this color
#455D92 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.091 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.007 away. White text reads best on it, at 6.49:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.23:1 |
| White text | 6.49:1 |
Values
| HEX | #455D92 |
| RGB | rgb(69, 93, 146) |
| HSL | hsl(221, 36%, 42%) |
| OKLCH | oklch(48.4% 0.091 264.7) |
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 #455D92 | 6.49:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #455D92 | 3.23:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #455D92 text on white | 6.49:1 | AA | Lc 82.1 | Fine for body text |
| #455D92 text on black | 3.23:1 | AA large text | Lc -19.8 | 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 700.
-
Step 50
50
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B3C1DE
oklch(81% 0.044 264.9)
-
Step 400
400
#8BA0CD
oklch(70.6% 0.07 265.2)
-
Step 500
500
#6F89C0
oklch(63.2% 0.089 264.6)
-
Step 600
600
#5772AD
oklch(55.7% 0.098 264.7)
-
Step 700
700 (this color)
#455D92
oklch(48.4% 0.091 264.7)
-
Step 800
800
#3A4E78
oklch(42.7% 0.075 264.1)
-
Step 900
900
#324161
oklch(37.7% 0.059 264.6)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#455D92 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) | #486294 | 0.015 |
| Deuteranopia (no green cones) | #405B91 | 0.009 |
| Tritanopia (no blue cones) | #216870 | 0.081 |
| Achromatopsia (no color) | #5E5E5E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455D92
#455D92
oklch(48.4% 0.091 264.7)
- #765A14
#765A14
oklch(48.4% 0.091 85.2)
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 #455D92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.007
- Denim Blue #3B5B92 ΔE 0.014
- Denim #3B638C ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.033
- Dusk #4E5481 ΔE 0.034
- Twilight #4E518B ΔE 0.034
- YInMn Blue #415A77 ΔE 0.044
- Dusk Blue #26538D ΔE 0.048
Use #455D92 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.