#455665
Closest named color: YInMn Blue (#415A77). oklch(44.5% 0.033 245.3), rgb(69, 86, 101).
Aa
White text reads best on this color (7.57:1).
About this color
#455665 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.033 and its hue 245°. 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 7.57:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #455665 |
| RGB | rgb(69, 86, 101) |
| HSL | hsl(208, 19%, 33%) |
| OKLCH | oklch(44.5% 0.033 245.3) |
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 #455665 | 7.57:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #455665 | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #455665 text on white | 7.57:1 | AAA | Lc 86.3 | Fine for body text |
| #455665 text on black | 2.77:1 | Fails | Lc -15.7 | 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
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#91A3B3
oklch(70.7% 0.031 245.1)
-
Step 500
500
#768CA0
oklch(63% 0.039 245.9)
-
Step 600
600
#5F768B
oklch(55.5% 0.043 246.2)
-
Step 700
700
#4E6376
oklch(49% 0.04 246)
-
Step 800
800 (this color)
#455665
oklch(44.5% 0.033 245.3)
-
Step 900
900
#37434E
oklch(37.7% 0.025 246.2)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#455665 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) | #505666 | 0.016 |
| Deuteranopia (no green cones) | #4C5265 | 0.015 |
| Tritanopia (no blue cones) | #3B5A5B | 0.028 |
| Achromatopsia (no color) | #545454 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455665
#455665
oklch(44.5% 0.033 245.3)
- #615041
#615041
oklch(44.4% 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 #455665, 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 0.051
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dusk #4E5481 ΔE 0.052
- Petrol #005F6A ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.059
- Deep Teal #00555A ΔE 0.062
Use #455665 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.