#455B60
Closest named color: YInMn Blue (#415A77). oklch(45.5% 0.028 213.2), rgb(69, 91, 96).
Aa
White text reads best on this color (7.19:1).
About this color
#455B60 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.039 away. White text reads best on it, at 7.19:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #455B60 |
| RGB | rgb(69, 91, 96) |
| HSL | hsl(191, 16%, 32%) |
| OKLCH | oklch(45.5% 0.028 213.2) |
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 #455B60 | 7.19:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #455B60 | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #455B60 text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #455B60 text on black | 2.91:1 | Fails | Lc -17.0 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D3DBDD
oklch(88.6% 0.009 214.3)
-
Step 300
300
#B5C4C7
oklch(81% 0.017 211)
-
Step 400
400
#8FA5AA
oklch(70.7% 0.026 213)
-
Step 500
500
#738F96
oklch(63.1% 0.033 214.6)
-
Step 600
600
#5B7980
oklch(55.5% 0.036 213.6)
-
Step 700
700
#4B666C
oklch(49.1% 0.033 212.9)
-
Step 800
800 (this color)
#455B60
oklch(45.5% 0.028 213.2)
-
Step 900
900
#354548
oklch(37.8% 0.021 210.3)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#455B60 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) | #575960 | 0.026 |
| Deuteranopia (no green cones) | #525660 | 0.023 |
| Tritanopia (no blue cones) | #3C5D5C | 0.016 |
| Achromatopsia (no color) | #575757 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455B60
#455B60
oklch(45.5% 0.028 213.2)
- #65514D
#65514D
oklch(45.4% 0.028 31.3)
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 #455B60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.039
- Slate #516572 ΔE 0.042
- Dusty Grape #545775 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.050
- Petrol #005F6A ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.054
- Dark Aqua #05696B ΔE 0.056
- Deep Teal #00555A ΔE 0.063
Use #455B60 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.