#455661
Closest named color: YInMn Blue (#415A77). oklch(44.3% 0.028 236.6), rgb(69, 86, 97).
Aa
White text reads best on this color (7.61:1).
About this color
#455661 is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.035 away. White text reads best on it, at 7.61:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #455661 |
| RGB | rgb(69, 86, 97) |
| HSL | hsl(204, 17%, 33%) |
| OKLCH | oklch(44.3% 0.028 236.6) |
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 #455661 | 7.61:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #455661 | 2.75:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #455661 text on white | 7.61:1 | AAA | Lc 86.5 | Fine for body text |
| #455661 text on black | 2.75:1 | Fails | Lc -15.6 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B7C2CA
oklch(80.8% 0.017 239.2)
-
Step 400
400
#92A3AF
oklch(70.6% 0.026 238.6)
-
Step 500
500
#778D9B
oklch(63.1% 0.033 236)
-
Step 600
600
#607786
oklch(55.6% 0.036 236.9)
-
Step 700
700
#4F6472
oklch(49.1% 0.034 237.6)
-
Step 800
800 (this color)
#455661
oklch(44.3% 0.028 236.6)
-
Step 900
900
#37444C
oklch(37.8% 0.022 235.2)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#455661 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) | #515562 | 0.018 |
| Deuteranopia (no green cones) | #4D5261 | 0.016 |
| Tritanopia (no blue cones) | #3D5959 | 0.022 |
| Achromatopsia (no color) | #545454 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455661
#455661
oklch(44.3% 0.028 236.6)
- #605045
#605045
oklch(44.4% 0.028 56.4)
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 #455661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.035
- Dusty Grape #545775 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.047
- Slate #516572 ΔE 0.052
- Petrol #005F6A ΔE 0.054
- Dusk #4E5481 ΔE 0.058
- Deep Teal #00555A ΔE 0.060
- Dark Green Blue #1F6357 ΔE 0.061
Use #455661 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.