#45536F
Closest named color: YInMn Blue (#415A77). oklch(44.2% 0.05 263.9), rgb(69, 83, 111).
Aa
White text reads best on this color (7.72:1).
About this color
#45536F is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.050 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.022 away. White text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #45536F |
| RGB | rgb(69, 83, 111) |
| HSL | hsl(220, 23%, 35%) |
| OKLCH | oklch(44.2% 0.05 263.9) |
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 #45536F | 7.72:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #45536F | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #45536F text on white | 7.72:1 | AAA | Lc 86.8 | Fine for body text |
| #45536F text on black | 2.71:1 | Fails | Lc -15.3 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B7C1D4
oklch(80.9% 0.029 263.4)
-
Step 400
400
#92A1BE
oklch(70.7% 0.046 263.6)
-
Step 500
500
#778AAE
oklch(63.2% 0.059 263)
-
Step 600
600
#60739A
oklch(55.6% 0.065 264.3)
-
Step 700
700
#4F6183
oklch(49.2% 0.059 262.8)
-
Step 800
800 (this color)
#45536F
oklch(44.2% 0.05 263.9)
-
Step 900
900
#374257
oklch(37.8% 0.039 263.1)
-
Step 950
950
#202633
oklch(26.9% 0.026 265.4)
#45536F 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) | #495570 | 0.009 |
| Deuteranopia (no green cones) | #45516E | 0.006 |
| Tritanopia (no blue cones) | #38595D | 0.044 |
| Achromatopsia (no color) | #535353 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45536F
#45536F
oklch(44.2% 0.05 263.9)
- #605132
#605132
oklch(44.2% 0.05 84.6)
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 #45536F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.022
- Dusty Grape #545775 ΔE 0.028
- Dusk #4E5481 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.046
- Twilight #4E518B ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.057
- Denim #3B638C ΔE 0.058
- Dusk Blue #26538D ΔE 0.059
Use #45536F 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.