#454955
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.6% 0.021 270.9), rgb(69, 73, 85).
Aa
White text reads best on this color (8.98:1).
About this color
#454955 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.038 away. White text reads best on it, at 8.98:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #454955 |
| RGB | rgb(69, 73, 85) |
| HSL | hsl(225, 10%, 30%) |
| OKLCH | oklch(40.6% 0.021 270.9) |
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 #454955 | 8.98:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #454955 | 2.33:1 | Fails | Lc 13.3 | Not readable |
| #454955 text on white | 8.98:1 | AAA | Lc 90.6 | Preferred for body text |
| #454955 text on black | 2.33:1 | Fails | Lc -11.7 | Not readable |
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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0C9
oklch(80.8% 0.013 271.3)
-
Step 400
400
#9CA0AD
oklch(70.7% 0.019 272.2)
-
Step 500
500
#848999
oklch(63.1% 0.025 271.9)
-
Step 600
600
#6D7384
oklch(55.6% 0.027 270.1)
-
Step 700
700
#5B606F
oklch(49% 0.025 270.9)
-
Step 800
800 (this color)
#454955
oklch(40.6% 0.021 270.9)
-
Step 900
900
#3E414A
oklch(37.6% 0.016 271)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#454955 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) | #464A56 | 0.004 |
| Deuteranopia (no green cones) | #444955 | 0.002 |
| Tritanopia (no blue cones) | #414B4D | 0.018 |
| Achromatopsia (no color) | #494949 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454955
#454955
oklch(40.6% 0.021 270.9)
- #4E493D
#4E493D
oklch(40.7% 0.02 88.1)
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 #454955, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal #264653 ΔE 0.045
- Onyx #343A40 ΔE 0.062
- Deep Teal #00555A ΔE 0.065
- YInMn Blue #415A77 ΔE 0.065
- Dusty Grape #545775 ΔE 0.066
Use #454955 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.