#455773
Closest named color: YInMn Blue (#415A77). oklch(45.3% 0.051 259.1), rgb(69, 87, 115).
Aa
White text reads best on this color (7.33:1).
About this color
#455773 is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.051 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.010 away. White text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #455773 |
| RGB | rgb(69, 87, 115) |
| HSL | hsl(217, 25%, 36%) |
| OKLCH | oklch(45.3% 0.051 259.1) |
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 #455773 | 7.33:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #455773 | 2.86:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #455773 text on white | 7.33:1 | AAA | Lc 85.4 | Fine for body text |
| #455773 text on black | 2.86:1 | Fails | Lc -16.6 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B5C1D4
oklch(80.8% 0.03 259.6)
-
Step 400
400
#8FA2BF
oklch(70.7% 0.048 258.7)
-
Step 500
500
#738BAF
oklch(63.2% 0.061 258.3)
-
Step 600
600
#5C749B
oklch(55.6% 0.067 259.9)
-
Step 700
700
#4B6284
oklch(49.2% 0.062 258)
-
Step 800
800 (this color)
#455773
oklch(45.3% 0.051 259.1)
-
Step 900
900
#354257
oklch(37.7% 0.04 259.9)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#455773 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) | #4D5974 | 0.013 |
| Deuteranopia (no green cones) | #485472 | 0.009 |
| Tritanopia (no blue cones) | #365D61 | 0.045 |
| Achromatopsia (no color) | #565656 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455773
#455773
oklch(45.3% 0.051 259.1)
- #665335
#665335
oklch(45.4% 0.051 78.3)
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 #455773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.010
- Dusty Grape #545775 ΔE 0.022
- Dusk #4E5481 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.040
- Denim #3B638C ΔE 0.047
- Slate #516572 ΔE 0.049
- Twilight #4E518B ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.050
Use #455773 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.