#45549E
Closest named color: Denim Blue (#3B5B92). oklch(47.2% 0.12 272.4), rgb(69, 84, 158).
Aa
White text reads best on this color (6.96:1).
About this color
#45549E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.120 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.032 away. White text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #45549E |
| RGB | rgb(69, 84, 158) |
| HSL | hsl(230, 39%, 45%) |
| OKLCH | oklch(47.2% 0.12 272.4) |
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 #45549E | 6.96:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #45549E | 3.01:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #45549E text on white | 6.96:1 | AA | Lc 83.9 | Fine for body text |
| #45549E text on black | 3.01:1 | AA large text | Lc -18.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D1D8EF
oklch(88.4% 0.033 272.2)
-
Step 300
300
#B3BFE7
oklch(80.9% 0.058 272)
-
Step 400
400
#8D9DDB
oklch(70.7% 0.093 272.7)
-
Step 500
500
#7184D1
oklch(63.2% 0.118 272.1)
-
Step 600
600
#5A6CBE
oklch(55.6% 0.129 272.3)
-
Step 700
700 (this color)
#45549E
oklch(47.2% 0.12 272.4)
-
Step 800
800
#3D4A85
oklch(42.8% 0.099 272.3)
-
Step 900
900
#343E6B
oklch(37.8% 0.078 272.7)
-
Step 950
950
#1E253E
oklch(27.1% 0.048 271.1)
#45549E 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) | #325DA1 | 0.030 |
| Deuteranopia (no green cones) | #27569C | 0.033 |
| Tritanopia (no blue cones) | #146471 | 0.107 |
| Achromatopsia (no color) | #595959 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45549E
#45549E
oklch(47.2% 0.12 272.4)
- #6E5900
#6E5900
oklch(47.1% 0.097 92.9)
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 #45549E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.032
- Twilight #4E518B ΔE 0.032
- Dusky Blue #475F94 ΔE 0.038
- Dusk Blue #26538D ΔE 0.046
- Dusk #4E5481 ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.050
- Denim #3B638C ΔE 0.058
Use #45549E 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.