#45548C
Closest named color: Twilight (#4E518B). oklch(46% 0.093 271), rgb(69, 84, 140).
Aa
White text reads best on this color (7.24:1).
About this color
#45548C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.093 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.014 away. White text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #45548C |
| RGB | rgb(69, 84, 140) |
| HSL | hsl(227, 34%, 41%) |
| OKLCH | oklch(46% 0.093 271) |
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 #45548C | 7.24:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #45548C | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #45548C text on white | 7.24:1 | AAA | Lc 85.0 | Fine for body text |
| #45548C text on black | 2.89:1 | Fails | Lc -17.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D3D9EA
oklch(88.6% 0.024 270.3)
-
Step 300
300
#B6C0DF
oklch(81% 0.045 271.2)
-
Step 400
400
#909FCE
oklch(70.8% 0.071 270.8)
-
Step 500
500
#7586C2
oklch(63.1% 0.093 271.4)
-
Step 600
600
#5E6FAE
oklch(55.6% 0.1 271.4)
-
Step 700
700 (this color)
#45548C
oklch(46% 0.093 271)
-
Step 800
800
#3F4C79
oklch(42.7% 0.077 270.7)
-
Step 900
900
#364062
oklch(37.8% 0.06 270.8)
-
Step 950
950
#1F2539
oklch(26.9% 0.038 270.9)
#45548C 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) | #3E5A8E | 0.018 |
| Deuteranopia (no green cones) | #37548B | 0.018 |
| Tritanopia (no blue cones) | #286069 | 0.084 |
| Achromatopsia (no color) | #575757 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45548C
#45548C
oklch(46% 0.093 271)
- #6B5502
#6B5502
oklch(45.9% 0.093 91.2)
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 #45548C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.014
- Dusk #4E5481 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.032
- Dusk Blue #26538D ΔE 0.036
- YInMn Blue #415A77 ΔE 0.043
- Denim #3B638C ΔE 0.044
Use #45548C 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.