#4A454F
Closest named color: Charcoal Grey (#3C4142). oklch(39.9% 0.018 308), rgb(74, 69, 79).
Aa
White text reads best on this color (9.31:1).
About this color
#4A454F is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.034 away. White text reads best on it, at 9.31:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #4A454F |
| RGB | rgb(74, 69, 79) |
| HSL | hsl(270, 7%, 29%) |
| OKLCH | oklch(39.9% 0.018 308) |
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 #4A454F | 9.31:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #4A454F | 2.25:1 | Fails | Lc 12.4 | Not readable |
| #4A454F text on white | 9.31:1 | AAA | Lc 91.5 | Preferred for body text |
| #4A454F text on black | 2.25:1 | Fails | Lc -10.8 | 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 900.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#DAD8DD
oklch(88.5% 0.007 304.2)
-
Step 300
300
#C3BEC7
oklch(80.8% 0.014 310.5)
-
Step 400
400
#A49DAB
oklch(70.6% 0.022 308.1)
-
Step 500
500
#8E8597
oklch(63.1% 0.029 308)
-
Step 600
600
#786F81
oklch(55.6% 0.029 307.9)
-
Step 700
700
#655D6D
oklch(49.2% 0.027 307.9)
-
Step 800
800
#524C59
oklch(42.7% 0.022 306.3)
-
Step 900
900 (this color)
#4A454F
oklch(39.9% 0.018 308)
-
Step 950
950
#28252B
oklch(27% 0.012 308)
#4A454F 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) | #44474F | 0.011 |
| Deuteranopia (no green cones) | #44474F | 0.011 |
| Tritanopia (no blue cones) | #494648 | 0.014 |
| Achromatopsia (no color) | #474747 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A454F
#4A454F
oklch(39.9% 0.018 308)
- #45493F
#45493F
oklch(39.8% 0.017 125)
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 #4A454F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Onyx #343A40 ΔE 0.056
- Purple Brown #673A3F ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.074
- Dark Teal #014D4E ΔE 0.075
Use #4A454F 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.