#51464C
Closest named color: Charcoal Grey (#3C4142). oklch(40.7% 0.018 343.9), rgb(81, 70, 76).
Aa
White text reads best on this color (9.01:1).
About this color
#51464C is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.043 away. White text reads best on it, at 9.01:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.33:1 |
| White text | 9.01:1 |
Values
| HEX | #51464C |
| RGB | rgb(81, 70, 76) |
| HSL | hsl(327, 7%, 30%) |
| OKLCH | oklch(40.7% 0.018 343.9) |
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 #51464C | 9.01:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #51464C | 2.33:1 | Fails | Lc 13.3 | Not readable |
| #51464C text on white | 9.01:1 | AAA | Lc 90.7 | Preferred for body text |
| #51464C text on black | 2.33:1 | Fails | Lc -11.6 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD8DA
oklch(88.6% 0.005 345.3)
-
Step 300
300
#C6BEC2
oklch(80.9% 0.01 345.5)
-
Step 400
400
#A99DA3
oklch(70.8% 0.016 345.7)
-
Step 500
500
#93858D
oklch(63.2% 0.02 342.3)
-
Step 600
600
#7E6E77
oklch(55.6% 0.024 343)
-
Step 700
700
#6A5C64
oklch(49.1% 0.022 342.6)
-
Step 800
800 (this color)
#51464C
oklch(40.7% 0.018 343.9)
-
Step 900
900
#473F43
oklch(37.7% 0.013 346)
-
Step 950
950
#2A2527
oklch(27.1% 0.008 351.5)
#51464C 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) | #47484C | 0.017 |
| Deuteranopia (no green cones) | #494A4C | 0.017 |
| Tritanopia (no blue cones) | #534648 | 0.007 |
| Achromatopsia (no color) | #494949 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51464C
#51464C
oklch(40.7% 0.018 343.9)
- #414D47
#414D47
oklch(40.8% 0.018 163.9)
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 #51464C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.043
- Purple Brown #673A3F ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.063
- Charcoal #264653 ΔE 0.063
- Onyx #343A40 ΔE 0.066
- Brownish Purple #76424E ΔE 0.069
- Dusty Grape #545775 ΔE 0.073
Use #51464C 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.