#455A60
Closest named color: YInMn Blue (#415A77). oklch(45.3% 0.027 217.1), rgb(69, 90, 96).
Aa
White text reads best on this color (7.28:1).
About this color
#455A60 is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.038 away. White text reads best on it, at 7.28:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #455A60 |
| RGB | rgb(69, 90, 96) |
| HSL | hsl(193, 16%, 32%) |
| OKLCH | oklch(45.3% 0.027 217.1) |
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 #455A60 | 7.28:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #455A60 | 2.88:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #455A60 text on white | 7.28:1 | AAA | Lc 85.3 | Fine for body text |
| #455A60 text on black | 2.88:1 | Fails | Lc -16.7 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEC
oklch(93.7% 0.005 214.3)
-
Step 200
200
#D3DBDD
oklch(88.6% 0.009 214.3)
-
Step 300
300
#B6C3C7
oklch(80.8% 0.015 218.1)
-
Step 400
400
#90A5AB
oklch(70.8% 0.025 216.8)
-
Step 500
500
#748F96
oklch(63.2% 0.032 215.2)
-
Step 600
600
#5C7981
oklch(55.6% 0.036 216.5)
-
Step 700
700
#4C666D
oklch(49.2% 0.033 216.1)
-
Step 800
800 (this color)
#455A60
oklch(45.3% 0.027 217.1)
-
Step 900
900
#354549
oklch(37.8% 0.022 214.7)
-
Step 950
950
#1F282B
oklch(26.9% 0.014 220.1)
#455A60 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) | #565960 | 0.024 |
| Deuteranopia (no green cones) | #515560 | 0.022 |
| Tritanopia (no blue cones) | #3D5C5C | 0.015 |
| Achromatopsia (no color) | #575757 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455A60
#455A60
oklch(45.3% 0.027 217.1)
- #64514B
#64514B
oklch(45.2% 0.027 38.3)
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 #455A60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.038
- Slate #516572 ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- Petrol #005F6A ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.052
- Dark Aqua #05696B ΔE 0.058
- Deep Teal #00555A ΔE 0.062
Use #455A60 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.