#455384
Closest named color: Dusk (#4E5481). oklch(45.3% 0.082 270.7), rgb(69, 83, 132).
Aa
White text reads best on this color (7.43:1).
About this color
#455384 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.082 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.014 away. White text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #455384 |
| RGB | rgb(69, 83, 132) |
| HSL | hsl(227, 31%, 39%) |
| OKLCH | oklch(45.3% 0.082 270.7) |
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 #455384 | 7.43:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #455384 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #455384 text on white | 7.43:1 | AAA | Lc 85.8 | Fine for body text |
| #455384 text on black | 2.82:1 | Fails | Lc -16.3 | 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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EB
oklch(88.5% 0.026 268.8)
-
Step 300
300
#B5C0E1
oklch(81% 0.048 270.8)
-
Step 400
400
#8E9ED1
oklch(70.6% 0.077 270.9)
-
Step 500
500
#7386C5
oklch(63.1% 0.098 270.6)
-
Step 600
600
#5C6FB2
oklch(55.7% 0.107 270.6)
-
Step 700
700
#4C5C99
oklch(49% 0.1 271.2)
-
Step 800
800 (this color)
#455384
oklch(45.3% 0.082 270.7)
-
Step 900
900
#353F64
oklch(37.6% 0.065 271.5)
-
Step 950
950
#1F253A
oklch(26.9% 0.04 271.3)
#455384 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) | #415886 | 0.015 |
| Deuteranopia (no green cones) | #3B5383 | 0.013 |
| Tritanopia (no blue cones) | #2E5D65 | 0.073 |
| Achromatopsia (no color) | #555555 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455384
#455384
oklch(45.3% 0.082 270.7)
- #675415
#675415
oklch(45.3% 0.082 91.4)
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 #455384, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.014
- Twilight #4E518B ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.034
- Dusk Blue #26538D ΔE 0.037
- Dusty Grape #545775 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.039
Use #455384 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.