#45558A
Closest named color: Twilight (#4E518B). oklch(46.1% 0.089 269.9), rgb(69, 85, 138).
Aa
White text reads best on this color (7.19:1).
About this color
#45558A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.089 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.016 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #45558A |
| RGB | rgb(69, 85, 138) |
| HSL | hsl(226, 33%, 41%) |
| OKLCH | oklch(46.1% 0.089 269.9) |
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 #45558A | 7.19:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #45558A | 2.91:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #45558A text on white | 7.19:1 | AAA | Lc 84.9 | Fine for body text |
| #45558A text on black | 2.91:1 | Fails | Lc -17.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DD
oklch(80.9% 0.042 270.4)
-
Step 400
400
#909FCC
oklch(70.7% 0.068 270.3)
-
Step 500
500
#7587BF
oklch(63.2% 0.087 270.1)
-
Step 600
600
#5D70AB
oklch(55.6% 0.095 269.6)
-
Step 700
700 (this color)
#45558A
oklch(46.1% 0.089 269.9)
-
Step 800
800
#3F4D77
oklch(42.8% 0.072 269.2)
-
Step 900
900
#364060
oklch(37.7% 0.057 270.3)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#45558A 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) | #415B8C | 0.017 |
| Deuteranopia (no green cones) | #3A5589 | 0.014 |
| Tritanopia (no blue cones) | #296069 | 0.079 |
| Achromatopsia (no color) | #575757 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45558A
#45558A
oklch(46.1% 0.089 269.9)
- #6C550D
#6C550D
oklch(46.1% 0.089 89.2)
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 #45558A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.016
- Dusk #4E5481 ΔE 0.018
- Denim Blue #3B5B92 ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.031
- Dusk Blue #26538D ΔE 0.036
- YInMn Blue #415A77 ΔE 0.039
- Denim #3B638C ΔE 0.041
Use #45558A 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.