#455B93
Closest named color: Dusky Blue (#475F94). oklch(48% 0.095 266.6), rgb(69, 91, 147).
Aa
White text reads best on this color (6.62:1).
About this color
#455B93 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.095 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.012 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #455B93 |
| RGB | rgb(69, 91, 147) |
| HSL | hsl(223, 36%, 42%) |
| OKLCH | oklch(48% 0.095 266.6) |
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 #455B93 | 6.62:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #455B93 | 3.17:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #455B93 text on white | 6.62:1 | AA | Lc 82.6 | Fine for body text |
| #455B93 text on black | 3.17:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C0DF
oklch(80.8% 0.046 267.4)
-
Step 400
400
#8CA0CF
oklch(70.8% 0.073 266.6)
-
Step 500
500
#6F88C3
oklch(63.2% 0.094 266.2)
-
Step 600
600
#5871AF
oklch(55.7% 0.101 266.5)
-
Step 700
700 (this color)
#455B93
oklch(48% 0.095 266.6)
-
Step 800
800
#3B4D7A
oklch(42.7% 0.078 266.6)
-
Step 900
900
#334062
oklch(37.6% 0.061 267.5)
-
Step 950
950
#1E263A
oklch(27.1% 0.039 267.1)
#455B93 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) | #456095 | 0.014 |
| Deuteranopia (no green cones) | #3C5992 | 0.013 |
| Tritanopia (no blue cones) | #206770 | 0.084 |
| Achromatopsia (no color) | #5D5D5D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455B93
#455B93
oklch(48% 0.095 266.6)
- #75590A
#75590A
oklch(48% 0.094 86.3)
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 #455B93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.012
- Denim Blue #3B5B92 ΔE 0.012
- Twilight #4E518B ΔE 0.030
- Denim #3B638C ΔE 0.030
- Dusk #4E5481 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- Dusk Blue #26538D ΔE 0.045
- YInMn Blue #415A77 ΔE 0.047
Use #455B93 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.