#455765
Closest named color: YInMn Blue (#415A77). oklch(44.7% 0.032 241.8), rgb(69, 87, 101).
Aa
White text reads best on this color (7.48:1).
About this color
#455765 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.032 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.029 away. White text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #455765 |
| RGB | rgb(69, 87, 101) |
| HSL | hsl(206, 19%, 33%) |
| OKLCH | oklch(44.7% 0.032 241.8) |
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 #455765 | 7.48:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #455765 | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #455765 text on white | 7.48:1 | AAA | Lc 86.0 | Fine for body text |
| #455765 text on black | 2.80:1 | Fails | Lc -16.0 | 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 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#91A3B2
oklch(70.6% 0.03 243.3)
-
Step 500
500
#768D9F
oklch(63.2% 0.038 241.8)
-
Step 600
600
#5E778A
oklch(55.7% 0.042 241.2)
-
Step 700
700
#4D6475
oklch(49.1% 0.039 240.6)
-
Step 800
800 (this color)
#455765
oklch(44.7% 0.032 241.8)
-
Step 900
900
#36434E
oklch(37.6% 0.025 244)
-
Step 950
950
#20282E
oklch(27.2% 0.016 240.6)
#455765 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) | #515766 | 0.018 |
| Deuteranopia (no green cones) | #4D5365 | 0.016 |
| Tritanopia (no blue cones) | #3B5A5B | 0.026 |
| Achromatopsia (no color) | #555555 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455765
#455765
oklch(44.7% 0.032 241.8)
- #625142
#625142
oklch(44.8% 0.033 63.3)
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 #455765, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.029
- Dusty Grape #545775 ΔE 0.036
- Slate #516572 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.052
- Dusk #4E5481 ΔE 0.053
- Petrol #005F6A ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.060
- Deep Teal #00555A ΔE 0.062
Use #455765 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.